Don't expose WebKitShadowRoot constructor.

It's time to expose only ShadowRoot constructor.
The chromium side patch is here: https://codereview.chromium.org/217013005/.

BUG=242153

Review URL: https://codereview.chromium.org/216123005

git-svn-id: svn://svn.chromium.org/blink/trunk@170580 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/LayoutTests/fast/dom/shadow/resources/shadow-dom.js

@@ -41,7 +41,7 @@ function isShadowHost(node)
 
 function isShadowRoot(node)
 {
-    return node instanceof window.WebKitShadowRoot;
+    return node instanceof window.ShadowRoot;
 }
 
 function isIframeElement(element)

third_party/WebKit/LayoutTests/fast/dom/shadow/shadow-root-js-api-expected.txt

@@ -4,11 +4,8 @@ On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE
 
 
 PASS window.ShadowRoot is defined.
-PASS window.WebKitShadowRoot is defined.
 PASS new window.ShadowRoot(document.createElement('div')) threw exception TypeError: Illegal constructor.
-PASS new window.WebKitShadowRoot(document.createElement('div')) threw exception TypeError: Illegal constructor.
 PASS shadowRoot instanceof window.ShadowRoot is true
-PASS shadowRoot instanceof window.WebKitShadowRoot is true
 PASS shadowRoot.getElementById('div1') is div1
 PASS shadowRoot.getElementById('foo') is null
 PASS shadowRoot.getElementsByClassName('class2') is [div2]

third_party/WebKit/LayoutTests/fast/dom/shadow/shadow-root-js-api.html

@@ -15,19 +15,15 @@ description("Tests for ShadowRoot JS APIs. Can only run within DRT");
 if (window.testRunner)
     testRunner.dumpAsText();
 
-// WebKitShadowRoot is always available, while ShadowRoot is available when a run-time flag is set
 // (which is always enabled in testing).
 shouldBeDefined("window.ShadowRoot");
-shouldBeDefined("window.WebKitShadowRoot");
 shouldThrow("new window.ShadowRoot(document.createElement('div'))");
-shouldThrow("new window.WebKitShadowRoot(document.createElement('div'))");
 
 var shadowHost = document.createElement('div');
 document.body.appendChild(shadowHost);
 var shadowRoot = shadowHost.createShadowRoot();
 
 shouldBeTrue("shadowRoot instanceof window.ShadowRoot");
-shouldBeTrue("shadowRoot instanceof window.WebKitShadowRoot");
 
 var div1 = document.createElement("div");
 div1.setAttribute("id", "div1");

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

@@ -447,7 +447,6 @@ WebKitGamepad
 WebKitMediaSource
 WebKitMutationObserver
 WebKitPoint
-WebKitShadowRoot
 WebKitSourceBuffer
 WebKitSourceBufferList
 WebKitTransitionEvent

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

@@ -470,7 +470,6 @@ WebKitGamepad
 WebKitMediaSource
 WebKitMutationObserver
 WebKitPoint
-WebKitShadowRoot
 WebKitSourceBuffer
 WebKitSourceBufferList
 WebKitTransitionEvent

third_party/WebKit/Source/core/dom/shadow/ShadowRoot.idl

@@ -24,9 +24,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-[
-    NoInterfaceObject
-] interface ShadowRoot : DocumentFragment {
+interface ShadowRoot : DocumentFragment {
     readonly attribute Element activeElement;
 
     [ImplementedAs=olderShadowRootForBindings] readonly attribute ShadowRoot olderShadowRoot;

third_party/WebKit/Source/core/frame/Window.idl

@@ -230,13 +230,6 @@
     [RuntimeEnabled=ScriptedSpeech] attribute SpeechRecognitionEventConstructor webkitSpeechRecognitionEvent;
     [Conditional=WEB_AUDIO] attribute PannerNodeConstructor webkitAudioPannerNode;
 
-    // Prefixed ShadowRoot constructor should be phased out eventually, but for the moment it must be always exposed.
-    // Unprefixed ShadowRoot constructor should be visible when the feature flag is enabled.
-    // FIXME: When it's ready to remove WebKitShadowRoot, get rid of both constructors from Window.idl and remove
-    // [NoInterfaceObject] from ShadowRoot interface definition.
-    attribute ShadowRootConstructor ShadowRoot;
-    [MeasureAs=PrefixedShadowRootConstructor] attribute ShadowRootConstructor WebKitShadowRoot;
-
     // window.toString() requires special handling in V8
     [DoNotCheckSignature, DoNotCheckSecurity, Custom, NotEnumerable] DOMString toString();