Remove HTMLFrameSetElement's anonymous getter

we have been notifying HTMLFrameSetElement's
anonymous getter will be remove since m70.
m69 already branched out.
and now it is time to remove this.

Bug: 695891
Change-Id: I145573c2a5c939181c679809531786c975820490
Reviewed-on: https://chromium-review.googlesource.com/1064250Reviewed-by: Philip Jägenstedt <foolip@chromium.org>
Commit-Queue: Hwanseung Lee <hs1217.lee@samsung.com>
Cr-Commit-Position: refs/heads/master@{#581739}

third_party/blink/public/platform/web_feature.mojom

@@ -1692,7 +1692,6 @@ enum WebFeature {
   kReplaceCharsetInXHR = 2230,
   kRespondToSameOriginRequestWithCrossOriginResponse = 2231,  // Obsolete.
   kLinkRelModulePreload = 2232,
-  kHTMLFrameSetElementNonNullAnonymousNamedGetter = 2235,
   kCSPWithUnsafeEval = 2236,
   kWebAssemblyInstantiation = 2237,
   kV8IndexAccessor = 2238,
@@ -1920,7 +1919,6 @@ enum WebFeature {
   kShapeOutsideContentBoxDifferentFromMarginBox = 2461,
   kShapeOutsidePaddingBoxDifferentFromMarginBox = 2462,
   kCSSContainLayoutPositionedDescendants = 2463,
-  kHTMLFrameSetElementAnonymousNamedGetter = 2464,
   kCanvasConvertToBlob = 2465,
   kPolymerV1Detected = 2466,
   kPolymerV2Detected = 2467,

third_party/blink/renderer/core/frame/deprecation.cc

@@ -540,11 +540,6 @@ DeprecationInfo GetDeprecationInfo(WebFeature feature) {
                                     "self.origin (window.origin)", kM70,
                                     "5701042356355072")};
 
-    case WebFeature::kHTMLFrameSetElementAnonymousNamedGetter:
-      return {"HTMLFrameSetElementAnonymousNamedGetter", kM70,
-              WillBeRemoved("Anonymous named getter of HTMLFrameSetElement",
-                            kM70, "5235521668251648")};
-
     case WebFeature::kMediaElementSourceOnOfflineContext:
       return {"MediaElementAudioSourceNode", kM70,
               WillBeRemoved("Creating a MediaElementAudioSourceNode on an "

third_party/blink/renderer/core/html/html_frame_set_element.cc

@@ -29,7 +29,6 @@
 #include "third_party/blink/renderer/core/dom/document.h"
 #include "third_party/blink/renderer/core/dom/events/event.h"
 #include "third_party/blink/renderer/core/events/mouse_event.h"
-#include "third_party/blink/renderer/core/frame/deprecation.h"
 #include "third_party/blink/renderer/core/frame/local_frame.h"
 #include "third_party/blink/renderer/core/frame/local_frame_client.h"
 #include "third_party/blink/renderer/core/frame/use_counter.h"
@@ -292,23 +291,4 @@ void HTMLFrameSetElement::WillRecalcStyle(StyleRecalcChange) {
   }
 }
 
-LocalDOMWindow* HTMLFrameSetElement::AnonymousNamedGetter(
-    const AtomicString& name) {
-  Element* frame_element = Children()->namedItem(name);
-  if (!IsHTMLFrameElement(frame_element))
-    return nullptr;
-  Document* document = ToHTMLFrameElement(frame_element)->contentDocument();
-  if (!document || !document->GetFrame())
-    return nullptr;
-
-  LocalDOMWindow* window = document->domWindow();
-  if (window) {
-    UseCounter::Count(
-        *document, WebFeature::kHTMLFrameSetElementNonNullAnonymousNamedGetter);
-  }
-  Deprecation::CountDeprecation(
-      *document, WebFeature::kHTMLFrameSetElementAnonymousNamedGetter);
-  return window;
-}
-
 }  // namespace blink

third_party/blink/renderer/core/html/html_frame_set_element.h

@@ -51,8 +51,6 @@ class HTMLFrameSetElement final : public HTMLElement {
 
   bool HasNonInBodyInsertionMode() const override { return true; }
 
-  LocalDOMWindow* AnonymousNamedGetter(const AtomicString&);
-
   DEFINE_WINDOW_ATTRIBUTE_EVENT_LISTENER(blur);
   DEFINE_WINDOW_ATTRIBUTE_EVENT_LISTENER(error);
   DEFINE_WINDOW_ATTRIBUTE_EVENT_LISTENER(focus);

third_party/blink/renderer/core/html/html_frame_set_element.idl

@@ -39,7 +39,6 @@
     attribute EventHandler onscroll;
 
     // Non-standard APIs
-    [NotEnumerable] getter Window (DOMString name);
     [RuntimeEnabled=OrientationEvent] attribute EventHandler onorientationchange;
 };
 

tools/metrics/histograms/enums.xml

@@ -19260,7 +19260,6 @@ Called by update_net_error_codes.py.-->
   <int value="2230" label="ReplaceCharsetInXHR"/>
   <int value="2231" label="RespondToSameOriginRequestWithCrossOriginResponse"/>
   <int value="2232" label="LinkRelModulePreload"/>
-  <int value="2235" label="HTMLFrameSetElementNonNullAnonymousNamedGetter"/>
   <int value="2236" label="CSPWithUnsafeEval"/>
   <int value="2237" label="WebAssemblyInstantiation"/>
   <int value="2238" label="V8IndexAccessor"/>
@@ -19500,7 +19499,6 @@ Called by update_net_error_codes.py.-->
   <int value="2461" label="ShapeOutsideContentBoxDifferentFromMarginBox"/>
   <int value="2462" label="ShapeOutsidePaddingBoxDifferentFromMarginBox"/>
   <int value="2463" label="CSSContainLayoutPositionedDescendants"/>
-  <int value="2464" label="HTMLFrameSetElementAnonymousNamedGetter"/>
   <int value="2465" label="CanvasConvertToBlob"/>
   <int value="2466" label="PolymerV1Detected"/>
   <int value="2467" label="PolymerV2Detected"/>