Move ongot/lostpointercaptures to Global handlers

Move ongot/lostpointercapture handlers from
Element.idl to GlobalEventHandlers as per latest
spec change:
https://github.com/w3c/pointerevents/pull/158

Intent to implement and ship:
https://groups.google.com/a/chromium.org/forum/?hl=en#!topic/blink-dev/T_amUSoAzHA

BUG=674290

Review-Url: https://codereview.chromium.org/2584723004
Cr-Commit-Position: refs/heads/master@{#439857}

third_party/WebKit/LayoutTests/fast/dom/Window/property-access-on-cached-window-after-frame-navigated-expected.txt

@@ -103,6 +103,7 @@ PASS oldChildWindow.onemptied is newChildWindow.onemptied
 PASS oldChildWindow.onended is newChildWindow.onended
 PASS oldChildWindow.onerror is newChildWindow.onerror
 PASS oldChildWindow.onfocus is newChildWindow.onfocus
+PASS oldChildWindow.ongotpointercapture is newChildWindow.ongotpointercapture
 PASS oldChildWindow.onhashchange is newChildWindow.onhashchange
 PASS oldChildWindow.oninput is newChildWindow.oninput
 PASS oldChildWindow.oninvalid is newChildWindow.oninvalid
@@ -114,6 +115,7 @@ PASS oldChildWindow.onload is newChildWindow.onload
 PASS oldChildWindow.onloadeddata is newChildWindow.onloadeddata
 PASS oldChildWindow.onloadedmetadata is newChildWindow.onloadedmetadata
 PASS oldChildWindow.onloadstart is newChildWindow.onloadstart
+PASS oldChildWindow.onlostpointercapture is newChildWindow.onlostpointercapture
 PASS oldChildWindow.onmessage is newChildWindow.onmessage
 PASS oldChildWindow.onmousedown is newChildWindow.onmousedown
 PASS oldChildWindow.onmouseenter is newChildWindow.onmouseenter

third_party/WebKit/LayoutTests/fast/dom/Window/property-access-on-cached-window-after-frame-removed-and-gced-expected.txt

@@ -75,6 +75,7 @@ PASS childWindow.onemptied is null
 PASS childWindow.onended is null
 PASS childWindow.onerror is null
 PASS childWindow.onfocus is null
+PASS childWindow.ongotpointercapture is null
 PASS childWindow.onhashchange is null
 PASS childWindow.oninput is null
 PASS childWindow.oninvalid is null
@@ -86,6 +87,7 @@ PASS childWindow.onload is null
 PASS childWindow.onloadeddata is null
 PASS childWindow.onloadedmetadata is null
 PASS childWindow.onloadstart is null
+PASS childWindow.onlostpointercapture is null
 PASS childWindow.onmessage is null
 PASS childWindow.onmousedown is null
 PASS childWindow.onmouseenter is null

third_party/WebKit/LayoutTests/fast/dom/Window/property-access-on-cached-window-after-frame-removed-expected.txt

@@ -75,6 +75,7 @@ PASS childWindow.onemptied is null
 PASS childWindow.onended is null
 PASS childWindow.onerror is null
 PASS childWindow.onfocus is null
+PASS childWindow.ongotpointercapture is null
 PASS childWindow.onhashchange is null
 PASS childWindow.oninput is null
 PASS childWindow.oninvalid is null
@@ -86,6 +87,7 @@ PASS childWindow.onload is null
 PASS childWindow.onloadeddata is null
 PASS childWindow.onloadedmetadata is null
 PASS childWindow.onloadstart is null
+PASS childWindow.onlostpointercapture is null
 PASS childWindow.onmessage is null
 PASS childWindow.onmousedown is null
 PASS childWindow.onmouseenter is null

third_party/WebKit/LayoutTests/imported/wpt/html/browsers/origin/cross-origin-objects/cross-origin-objects-exceptions-expected.txt

@@ -10,7 +10,7 @@ FAIL [[GetOwnProperty]] - Property descriptors for cross-origin properties shoul
 FAIL [[Delete]] Should throw on cross-origin objects assert_throws: Can't delete cross-origin indexed property function "function () { delete C[0]; }" did not throw
 FAIL [[DefineOwnProperty]] Should throw for cross-origin objects assert_throws: Can't define cross-origin value property length function "function () { Object.defineProperty(obj, prop, valueDesc); }" did not throw
 FAIL [[Enumerate]] should return an empty iterator assert_unreached: Shouldn't have been able to enumerate stop on cross-origin Window Reached unreachable code
-FAIL [[OwnPropertyKeys]] should return all properties from cross-origin objects assert_array_equals: Object.getOwnPropertyNames() gives the right answer for cross-origin Window lengths differ, expected 860 got 13
+FAIL [[OwnPropertyKeys]] should return all properties from cross-origin objects assert_array_equals: Object.getOwnPropertyNames() gives the right answer for cross-origin Window lengths differ, expected 862 got 13
 PASS A and B jointly observe the same identity for cross-origin Window and Location 
 PASS Cross-origin functions get local Function.prototype 
 FAIL Cross-origin Window accessors get local Function.prototype Cannot read property 'name' of undefined

third_party/WebKit/LayoutTests/imported/wpt/pointerevents/idlharness-expected.txt

 CONSOLE MESSAGE: line 236: callback not yet supported
 This is a testharness.js-based test.
-FAIL Window interface: attribute ongotpointercapture assert_own_property: The global object must have a property "ongotpointercapture" expected property "ongotpointercapture" missing
-FAIL Window interface: attribute onlostpointercapture assert_own_property: The global object must have a property "onlostpointercapture" expected property "onlostpointercapture" missing
+PASS Window interface: attribute ongotpointercapture 
+PASS Window interface: attribute onlostpointercapture 
 PASS Window interface: attribute onpointerdown 
 PASS Window interface: attribute onpointermove 
 PASS Window interface: attribute onpointerup 
@@ -12,8 +12,8 @@ PASS Window interface: attribute onpointerenter
 PASS Window interface: attribute onpointerleave 
 PASS Window must be primary interface of window 
 PASS Stringification of window 
-FAIL Window interface: window must inherit property "ongotpointercapture" with the proper type (0) assert_own_property: expected property "ongotpointercapture" missing
-FAIL Window interface: window must inherit property "onlostpointercapture" with the proper type (1) assert_own_property: expected property "onlostpointercapture" missing
+PASS Window interface: window must inherit property "ongotpointercapture" with the proper type (0) 
+PASS Window interface: window must inherit property "onlostpointercapture" with the proper type (1) 
 PASS Window interface: window must inherit property "onpointerdown" with the proper type (2) 
 PASS Window interface: window must inherit property "onpointermove" with the proper type (3) 
 PASS Window interface: window must inherit property "onpointerup" with the proper type (4) 
@@ -29,8 +29,8 @@ PASS Navigator interface: navigator must inherit property "maxTouchPoints" with
 PASS Element interface: operation setPointerCapture(long) 
 PASS Element interface: operation releasePointerCapture(long) 
 PASS Element interface: operation hasPointerCapture(long) 
-FAIL HTMLElement interface: attribute ongotpointercapture assert_own_property: expected property "ongotpointercapture" missing
-FAIL HTMLElement interface: attribute onlostpointercapture assert_own_property: expected property "onlostpointercapture" missing
+PASS HTMLElement interface: attribute ongotpointercapture 
+PASS HTMLElement interface: attribute onlostpointercapture 
 PASS HTMLElement interface: attribute onpointerdown 
 PASS HTMLElement interface: attribute onpointermove 
 PASS HTMLElement interface: attribute onpointerup 
@@ -39,8 +39,8 @@ PASS HTMLElement interface: attribute onpointerover
 PASS HTMLElement interface: attribute onpointerout 
 PASS HTMLElement interface: attribute onpointerenter 
 PASS HTMLElement interface: attribute onpointerleave 
-FAIL Document interface: attribute ongotpointercapture assert_true: The prototype object must have a property "ongotpointercapture" expected true got false
-FAIL Document interface: attribute onlostpointercapture assert_true: The prototype object must have a property "onlostpointercapture" expected true got false
+PASS Document interface: attribute ongotpointercapture 
+PASS Document interface: attribute onlostpointercapture 
 PASS Document interface: attribute onpointerdown 
 PASS Document interface: attribute onpointermove 
 PASS Document interface: attribute onpointerup 

third_party/WebKit/LayoutTests/imported/wpt/pointerevents/pointerevent_on_event_handlers-expected.txt

-This is a testharness.js-based test.
-PASS The default value of onpointerdown is always null 
-PASS The onpointerdown content attribute must be compiled into the onpointerdown property 
-PASS dispatching a pointerdown event must trigger element.onpointerdown 
-PASS The default value of onpointerup is always null 
-PASS The onpointerup content attribute must be compiled into the onpointerup property 
-PASS dispatching a pointerup event must trigger element.onpointerup 
-PASS The default value of onpointercancel is always null 
-PASS The onpointercancel content attribute must be compiled into the onpointercancel property 
-PASS dispatching a pointercancel event must trigger element.onpointercancel 
-PASS The default value of onpointermove is always null 
-PASS The onpointermove content attribute must be compiled into the onpointermove property 
-PASS dispatching a pointermove event must trigger element.onpointermove 
-PASS The default value of onpointerover is always null 
-PASS The onpointerover content attribute must be compiled into the onpointerover property 
-PASS dispatching a pointerover event must trigger element.onpointerover 
-PASS The default value of onpointerout is always null 
-PASS The onpointerout content attribute must be compiled into the onpointerout property 
-PASS dispatching a pointerout event must trigger element.onpointerout 
-PASS The default value of onpointerenter is always null 
-PASS The onpointerenter content attribute must be compiled into the onpointerenter property 
-PASS dispatching a pointerenter event must trigger element.onpointerenter 
-PASS The default value of onpointerleave is always null 
-PASS The onpointerleave content attribute must be compiled into the onpointerleave property 
-PASS dispatching a pointerleave event must trigger element.onpointerleave 
-FAIL The default value of ongotpointercapture is always null assert_equals: The default value of the property is null for a Window instance expected (object) null but got (undefined) undefined
-PASS The ongotpointercapture content attribute must be compiled into the ongotpointercapture property 
-PASS dispatching a gotpointercapture event must trigger element.ongotpointercapture 
-FAIL The default value of onlostpointercapture is always null assert_equals: The default value of the property is null for a Window instance expected (object) null but got (undefined) undefined
-PASS The onlostpointercapture content attribute must be compiled into the onlostpointercapture property 
-PASS dispatching a lostpointercapture event must trigger element.onlostpointercapture 
-Harness: the test ran to completion.
-

third_party/WebKit/LayoutTests/platform/win/virtual/stable/webexposed/global-interface-listing-expected.txt

@@ -815,6 +815,7 @@ interface Document : Node
     getter onended
     getter onerror
     getter onfocus
+    getter ongotpointercapture
     getter oninput
     getter oninvalid
     getter onkeydown
@@ -824,6 +825,7 @@ interface Document : Node
     getter onloadeddata
     getter onloadedmetadata
     getter onloadstart
+    getter onlostpointercapture
     getter onmousedown
     getter onmouseenter
     getter onmouseleave
@@ -978,6 +980,7 @@ interface Document : Node
     setter onended
     setter onerror
     setter onfocus
+    setter ongotpointercapture
     setter oninput
     setter oninvalid
     setter onkeydown
@@ -987,6 +990,7 @@ interface Document : Node
     setter onloadeddata
     setter onloadedmetadata
     setter onloadstart
+    setter onlostpointercapture
     setter onmousedown
     setter onmouseenter
     setter onmouseleave
@@ -1102,8 +1106,6 @@ interface Element : Node
     getter onbeforepaste
     getter oncopy
     getter oncut
-    getter ongotpointercapture
-    getter onlostpointercapture
     getter onpaste
     getter onsearch
     getter onselectstart
@@ -1175,8 +1177,6 @@ interface Element : Node
     setter onbeforepaste
     setter oncopy
     setter oncut
-    setter ongotpointercapture
-    setter onlostpointercapture
     setter onpaste
     setter onsearch
     setter onselectstart
@@ -1681,6 +1681,7 @@ interface HTMLElement : Element
     getter onended
     getter onerror
     getter onfocus
+    getter ongotpointercapture
     getter oninput
     getter oninvalid
     getter onkeydown
@@ -1690,6 +1691,7 @@ interface HTMLElement : Element
     getter onloadeddata
     getter onloadedmetadata
     getter onloadstart
+    getter onlostpointercapture
     getter onmousedown
     getter onmouseenter
     getter onmouseleave
@@ -1771,6 +1773,7 @@ interface HTMLElement : Element
     setter onended
     setter onerror
     setter onfocus
+    setter ongotpointercapture
     setter oninput
     setter oninvalid
     setter onkeydown
@@ -1780,6 +1783,7 @@ interface HTMLElement : Element
     setter onloadeddata
     setter onloadedmetadata
     setter onloadstart
+    setter onlostpointercapture
     setter onmousedown
     setter onmouseenter
     setter onmouseleave
@@ -4315,6 +4319,7 @@ interface SVGElement : Element
     getter onended
     getter onerror
     getter onfocus
+    getter ongotpointercapture
     getter oninput
     getter oninvalid
     getter onkeydown
@@ -4324,6 +4329,7 @@ interface SVGElement : Element
     getter onloadeddata
     getter onloadedmetadata
     getter onloadstart
+    getter onlostpointercapture
     getter onmousedown
     getter onmouseenter
     getter onmouseleave
@@ -4394,6 +4400,7 @@ interface SVGElement : Element
     setter onended
     setter onerror
     setter onfocus
+    setter ongotpointercapture
     setter oninput
     setter oninvalid
     setter onkeydown
@@ -4403,6 +4410,7 @@ interface SVGElement : Element
     setter onloadeddata
     setter onloadedmetadata
     setter onloadstart
+    setter onlostpointercapture
     setter onmousedown
     setter onmouseenter
     setter onmouseleave
@@ -7447,6 +7455,7 @@ interface webkitURL
     getter onended
     getter onerror
     getter onfocus
+    getter ongotpointercapture
     getter onhashchange
     getter oninput
     getter oninvalid
@@ -7458,6 +7467,7 @@ interface webkitURL
     getter onloadeddata
     getter onloadedmetadata
     getter onloadstart
+    getter onlostpointercapture
     getter onmessage
     getter onmousedown
     getter onmouseenter
@@ -7620,6 +7630,7 @@ interface webkitURL
     setter onended
     setter onerror
     setter onfocus
+    setter ongotpointercapture
     setter onhashchange
     setter oninput
     setter oninvalid
@@ -7631,6 +7642,7 @@ interface webkitURL
     setter onloadeddata
     setter onloadedmetadata
     setter onloadstart
+    setter onlostpointercapture
     setter onmessage
     setter onmousedown
     setter onmouseenter

third_party/WebKit/LayoutTests/virtual/stable/webexposed/global-interface-listing-expected.txt

@@ -876,6 +876,7 @@ interface Document : Node
     getter onended
     getter onerror
     getter onfocus
+    getter ongotpointercapture
     getter oninput
     getter oninvalid
     getter onkeydown
@@ -885,6 +886,7 @@ interface Document : Node
     getter onloadeddata
     getter onloadedmetadata
     getter onloadstart
+    getter onlostpointercapture
     getter onmousedown
     getter onmouseenter
     getter onmouseleave
@@ -1039,6 +1041,7 @@ interface Document : Node
     setter onended
     setter onerror
     setter onfocus
+    setter ongotpointercapture
     setter oninput
     setter oninvalid
     setter onkeydown
@@ -1048,6 +1051,7 @@ interface Document : Node
     setter onloadeddata
     setter onloadedmetadata
     setter onloadstart
+    setter onlostpointercapture
     setter onmousedown
     setter onmouseenter
     setter onmouseleave
@@ -1163,8 +1167,6 @@ interface Element : Node
     getter onbeforepaste
     getter oncopy
     getter oncut
-    getter ongotpointercapture
-    getter onlostpointercapture
     getter onpaste
     getter onsearch
     getter onselectstart
@@ -1236,8 +1238,6 @@ interface Element : Node
     setter onbeforepaste
     setter oncopy
     setter oncut
-    setter ongotpointercapture
-    setter onlostpointercapture
     setter onpaste
     setter onsearch
     setter onselectstart
@@ -1742,6 +1742,7 @@ interface HTMLElement : Element
     getter onended
     getter onerror
     getter onfocus
+    getter ongotpointercapture
     getter oninput
     getter oninvalid
     getter onkeydown
@@ -1751,6 +1752,7 @@ interface HTMLElement : Element
     getter onloadeddata
     getter onloadedmetadata
     getter onloadstart
+    getter onlostpointercapture
     getter onmousedown
     getter onmouseenter
     getter onmouseleave
@@ -1832,6 +1834,7 @@ interface HTMLElement : Element
     setter onended
     setter onerror
     setter onfocus
+    setter ongotpointercapture
     setter oninput
     setter oninvalid
     setter onkeydown
@@ -1841,6 +1844,7 @@ interface HTMLElement : Element
     setter onloadeddata
     setter onloadedmetadata
     setter onloadstart
+    setter onlostpointercapture
     setter onmousedown
     setter onmouseenter
     setter onmouseleave
@@ -4377,6 +4381,7 @@ interface SVGElement : Element
     getter onended
     getter onerror
     getter onfocus
+    getter ongotpointercapture
     getter oninput
     getter oninvalid
     getter onkeydown
@@ -4386,6 +4391,7 @@ interface SVGElement : Element
     getter onloadeddata
     getter onloadedmetadata
     getter onloadstart
+    getter onlostpointercapture
     getter onmousedown
     getter onmouseenter
     getter onmouseleave
@@ -4456,6 +4462,7 @@ interface SVGElement : Element
     setter onended
     setter onerror
     setter onfocus
+    setter ongotpointercapture
     setter oninput
     setter oninvalid
     setter onkeydown
@@ -4465,6 +4472,7 @@ interface SVGElement : Element
     setter onloadeddata
     setter onloadedmetadata
     setter onloadstart
+    setter onlostpointercapture
     setter onmousedown
     setter onmouseenter
     setter onmouseleave
@@ -7509,6 +7517,7 @@ interface webkitURL
     getter onended
     getter onerror
     getter onfocus
+    getter ongotpointercapture
     getter onhashchange
     getter oninput
     getter oninvalid
@@ -7520,6 +7529,7 @@ interface webkitURL
     getter onloadeddata
     getter onloadedmetadata
     getter onloadstart
+    getter onlostpointercapture
     getter onmessage
     getter onmousedown
     getter onmouseenter
@@ -7682,6 +7692,7 @@ interface webkitURL
     setter onended
     setter onerror
     setter onfocus
+    setter ongotpointercapture
     setter onhashchange
     setter oninput
     setter oninvalid
@@ -7693,6 +7704,7 @@ interface webkitURL
     setter onloadeddata
     setter onloadedmetadata
     setter onloadstart
+    setter onlostpointercapture
     setter onmessage
     setter onmousedown
     setter onmouseenter

third_party/WebKit/LayoutTests/webexposed/global-interface-listing-expected.txt

@@ -1331,6 +1331,7 @@ interface Document : Node
     getter onfocus
     getter onfullscreenchange
     getter onfullscreenerror
+    getter ongotpointercapture
     getter oninput
     getter oninvalid
     getter onkeydown
@@ -1340,6 +1341,7 @@ interface Document : Node
     getter onloadeddata
     getter onloadedmetadata
     getter onloadstart
+    getter onlostpointercapture
     getter onmousedown
     getter onmouseenter
     getter onmouseleave
@@ -1501,6 +1503,7 @@ interface Document : Node
     setter onfocus
     setter onfullscreenchange
     setter onfullscreenerror
+    setter ongotpointercapture
     setter oninput
     setter oninvalid
     setter onkeydown
@@ -1510,6 +1513,7 @@ interface Document : Node
     setter onloadeddata
     setter onloadedmetadata
     setter onloadstart
+    setter onlostpointercapture
     setter onmousedown
     setter onmouseenter
     setter onmouseleave
@@ -1632,8 +1636,6 @@ interface Element : Node
     getter onbeforepaste
     getter oncopy
     getter oncut
-    getter ongotpointercapture
-    getter onlostpointercapture
     getter onpaste
     getter onsearch
     getter onselectstart
@@ -1710,8 +1712,6 @@ interface Element : Node
     setter onbeforepaste
     setter oncopy
     setter oncut
-    setter ongotpointercapture
-    setter onlostpointercapture
     setter onpaste
     setter onsearch
     setter onselectstart
@@ -2233,6 +2233,7 @@ interface HTMLElement : Element
     getter onended
     getter onerror
     getter onfocus
+    getter ongotpointercapture
     getter oninput
     getter oninvalid
     getter onkeydown
@@ -2242,6 +2243,7 @@ interface HTMLElement : Element
     getter onloadeddata
     getter onloadedmetadata
     getter onloadstart
+    getter onlostpointercapture
     getter onmousedown
     getter onmouseenter
     getter onmouseleave
@@ -2326,6 +2328,7 @@ interface HTMLElement : Element
     setter onended
     setter onerror
     setter onfocus
+    setter ongotpointercapture
     setter oninput
     setter oninvalid
     setter onkeydown
@@ -2335,6 +2338,7 @@ interface HTMLElement : Element
     setter onloadeddata
     setter onloadedmetadata
     setter onloadstart
+    setter onlostpointercapture
     setter onmousedown
     setter onmouseenter
     setter onmouseleave
@@ -5252,6 +5256,7 @@ interface SVGElement : Element
     getter onended
     getter onerror
     getter onfocus
+    getter ongotpointercapture
     getter oninput
     getter oninvalid
     getter onkeydown
@@ -5261,6 +5266,7 @@ interface SVGElement : Element
     getter onloadeddata
     getter onloadedmetadata
     getter onloadstart
+    getter onlostpointercapture
     getter onmousedown
     getter onmouseenter
     getter onmouseleave
@@ -5331,6 +5337,7 @@ interface SVGElement : Element
     setter onended
     setter onerror
     setter onfocus
+    setter ongotpointercapture
     setter oninput
     setter oninvalid
     setter onkeydown
@@ -5340,6 +5347,7 @@ interface SVGElement : Element
     setter onloadeddata
     setter onloadedmetadata
     setter onloadstart
+    setter onlostpointercapture
     setter onmousedown
     setter onmouseenter
     setter onmouseleave
@@ -8653,6 +8661,7 @@ interface webkitURL
     getter onended
     getter onerror
     getter onfocus
+    getter ongotpointercapture
     getter onhashchange
     getter oninput
     getter oninvalid
@@ -8664,6 +8673,7 @@ interface webkitURL
     getter onloadeddata
     getter onloadedmetadata
     getter onloadstart
+    getter onlostpointercapture
     getter onmessage
     getter onmousedown
     getter onmouseenter
@@ -8830,6 +8840,7 @@ interface webkitURL
     setter onended
     setter onerror
     setter onfocus
+    setter ongotpointercapture
     setter onhashchange
     setter oninput
     setter oninvalid
@@ -8841,6 +8852,7 @@ interface webkitURL
     setter onloadeddata
     setter onloadedmetadata
     setter onloadstart
+    setter onlostpointercapture
     setter onmessage
     setter onmousedown
     setter onmouseenter

third_party/WebKit/Source/core/dom/Element.idl

@@ -36,15 +36,10 @@ interface Element : Node {
     [SameObject, CEReactions, PerWorldBindings, PutForwards=value] readonly attribute DOMTokenList classList;
     [Unscopable, CEReactions, Reflect] attribute DOMString slot;
 
-    // PointerEvent
-    //https://www.w3.org/TR/pointerevents/#extensions-to-the-element-interface
+    // Pointer Events
+    // https://w3c.github.io/pointerevents/#extensions-to-the-element-interface
     [RuntimeEnabled=PointerEvent, RaisesException] void setPointerCapture (long pointerId);
     [RuntimeEnabled=PointerEvent, RaisesException] void releasePointerCapture (long pointerId);
-    [RuntimeEnabled=PointerEvent] attribute EventHandler ongotpointercapture;
-    [RuntimeEnabled=PointerEvent] attribute EventHandler onlostpointercapture;
-
-    // PointerEvent v2
-    // https://w3c.github.io/pointerevents/#extensions-to-the-element-interface
     [RuntimeEnabled=PointerEvent] boolean hasPointerCapture (long pointerId);
 
     boolean hasAttributes();

third_party/WebKit/Source/core/dom/GlobalEventHandlers.h

@@ -59,6 +59,7 @@ DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(emptied);
 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(ended);
 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(error);
 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(focus);
+DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(gotpointercapture);
 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(input);
 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(invalid);
 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(keydown);
@@ -68,6 +69,7 @@ DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(load);
 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(loadeddata);
 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(loadedmetadata);
 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(loadstart);
+DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(lostpointercapture);
 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(mousedown);
 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(mouseenter);
 DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(mouseleave);

third_party/WebKit/Source/core/dom/GlobalEventHandlers.idl

@@ -102,6 +102,8 @@
 
     // Pointer Events
     // https://w3c.github.io/pointerevents/#extensions-to-the-globaleventhandlers-interface
+    [RuntimeEnabled=PointerEvent] attribute EventHandler ongotpointercapture;
+    [RuntimeEnabled=PointerEvent] attribute EventHandler onlostpointercapture;
     [RuntimeEnabled=PointerEvent] attribute EventHandler onpointerdown;
     [RuntimeEnabled=PointerEvent] attribute EventHandler onpointermove;
     [RuntimeEnabled=PointerEvent] attribute EventHandler onpointerup;