Add use counters for a number of non-standard APIs on Window

Source/core/frame/Window.idl

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 61 matching lines @@
                                                       [Default=NullString] optional DOMString defaultValue);
 
     boolean find([Default=Undefined] optional DOMString string,
                  [Default=Undefined] optional boolean caseSensitive,
                  [Default=Undefined] optional boolean backwards,
                  [Default=Undefined] optional boolean wrap,
                  [Default=Undefined] optional boolean wholeWord,
                  [Default=Undefined] optional boolean searchInFrames,
                  [Default=Undefined] optional boolean showDialog);
 
-    [Replaceable] readonly attribute  boolean offscreenBuffering;
+    [Replaceable, MeasureAs=WindowOffscreenBuffering] readonly attribute boolean offscreenBuffering;
 
     [Replaceable] readonly attribute long outerHeight;
     [Replaceable] readonly attribute long outerWidth;
     [Replaceable] readonly attribute long innerHeight;
     [Replaceable] readonly attribute long innerWidth;
     [Replaceable] readonly attribute long screenX;
     [Replaceable] readonly attribute long screenY;
     [Replaceable] readonly attribute long screenLeft;
     [Replaceable] readonly attribute long screenTop;
     [Replaceable] readonly attribute long scrollX;
@@ skipping 17 matching lines @@
     void resizeBy([Default=Undefined] optional float x, [Default=Undefined] optional float y); // FIXME: this should take longs not floats.
     void resizeTo([Default=Undefined] optional float width, [Default=Undefined] optional float height); // FIXME: this should take longs not floats.
 
     [DoNotCheckSecurity] readonly attribute boolean closed;
 
     [Replaceable, DoNotCheckSecurity] readonly attribute unsigned long length;
 
     attribute DOMString name;
 
     attribute DOMString status;
-    attribute DOMString defaultStatus;
+    [MeasureAs=WindowDefaultStatus] attribute DOMString defaultStatus;
     // This attribute is an alias of defaultStatus and is necessary for legacy uses.
-    [ImplementedAs=defaultStatus] attribute DOMString defaultstatus;
+    [ImplementedAs=defaultStatus, MeasureAs=WindowDefaultstatus] attribute DOMString defaultstatus;
 
     // Self referential attributes
     [Replaceable, DoNotCheckSecurity] readonly attribute Window self;
     [DoNotCheckSecurity, Unforgeable] readonly attribute Window window;
     [Replaceable, DoNotCheckSecurity] readonly attribute  Window frames;
 
     [DoNotCheckSecurity, Custom=Setter] attribute Window opener;
     [Replaceable, DoNotCheckSecurity] readonly attribute Window parent;
     [DoNotCheckSecurity, Unforgeable] readonly attribute Window top;
 
     // DOM Level 2 AbstractView Interface
     readonly attribute Document document;
 
     // CSSOM View Module
     MediaQueryList matchMedia(DOMString query);
 
     // styleMedia has been removed from the CSSOM View specification.
     readonly attribute StyleMedia styleMedia;
 
     // DOM Level 2 Style Interface
     [PerWorldBindings] CSSStyleDeclaration getComputedStyle([Default=Undefined] optional Element element,
                                                             [TreatNullAs=NullString, TreatUndefinedAs=NullString, Default=Undefined] optional DOMString pseudoElement);
 
     // WebKit extensions
     [MeasureAs=GetMatchedCSSRules] CSSRuleList getMatchedCSSRules([Default=Undefined] optional Element element,
                                                                   [TreatNullAs=NullString, TreatUndefinedAs=NullString, Default=Undefined] optional DOMString pseudoElement);
 
     [Replaceable] readonly attribute double devicePixelRatio;
 
-    WebKitPoint webkitConvertPointFromPageToNode([Default=Undefined] optional Node node,
-                                                 [Default=Undefined] optional WebKitPoint p);
-    WebKitPoint webkitConvertPointFromNodeToPage([Default=Undefined] optional Node node,
-                                                 [Default=Undefined] optional WebKitPoint p);
+    [MeasureAs=PrefixedConvertPointFromPageToNode] WebKitPoint webkitConvertPointFromPageToNode([Default=Undefined] optional Node node,
+                                                                                                [Default=Undefined] optional WebKitPoint p);
+    [MeasureAs=PrefixedConvertPointFromNodeToPage] WebKitPoint webkitConvertPointFromNodeToPage([Default=Undefined] optional Node node,
+                                                                                                [Default=Undefined] optional WebKitPoint p);
 
     [RuntimeEnabled=ApplicationCache, PerWorldBindings, LogActivity=GetterOnly] readonly attribute ApplicationCache applicationCache;
 
     [RuntimeEnabled=SessionStorage, PerWorldBindings, LogActivity=GetterOnly, RaisesException=Getter] readonly attribute Storage sessionStorage;
     [RuntimeEnabled=LocalStorage, PerWorldBindings, LogActivity=GetterOnly, RaisesException=Getter] readonly attribute Storage localStorage;
 
     // This is the interface orientation in degrees. Some examples are:
     //  0 is straight up; -90 is when the device is rotated 90 clockwise;
     //  90 is when rotated counter clockwise.
     [RuntimeEnabled=OrientationEvent, MeasureAs=WindowOrientation] readonly attribute long orientation;
@@ skipping 27 matching lines @@
     attribute EventHandler onwebkitanimationend;
     attribute EventHandler onwebkitanimationiteration;
     attribute EventHandler onwebkitanimationstart;
     attribute EventHandler onwebkittransitionend;
     [PerWorldBindings, LogActivity=SetterOnly] attribute EventHandler onwheel;
 
     [MeasureAs=WindowCaptureEvents] void captureEvents();
     [MeasureAs=WindowReleaseEvents] void releaseEvents();
 
     // Additional constructors.
-    attribute TransitionEventConstructor WebKitTransitionEvent;
+    [MeasureAs=PrefixedTransitionEventConstructor] attribute TransitionEventConstructor WebKitTransitionEvent;
     [RuntimeEnabled=CSSAnimationUnprefixed] attribute WebKitAnimationEventConstructor AnimationEvent;
     [MeasureAs=PrefixedWindowURL] attribute URLConstructor webkitURL; // FIXME: deprecate this.
-    attribute MutationObserverConstructor WebKitMutationObserver; // FIXME: Add metrics to determine when we can remove this.
-    attribute IDBCursorConstructor webkitIDBCursor;
-    attribute IDBDatabaseConstructor webkitIDBDatabase;
-    attribute IDBFactoryConstructor webkitIDBFactory;
-    attribute IDBIndexConstructor webkitIDBIndex;
-    attribute IDBKeyRangeConstructor webkitIDBKeyRange;
-    attribute IDBObjectStoreConstructor webkitIDBObjectStore;
-    attribute IDBRequestConstructor webkitIDBRequest;
-    attribute IDBTransactionConstructor webkitIDBTransaction;
+    [MeasureAs=PrefixedMutationObserverConstructor] attribute MutationObserverConstructor WebKitMutationObserver;
+    [MeasureAs=PrefixedIDBCursorConstructor] attribute IDBCursorConstructor webkitIDBCursor;
+    [MeasureAs=PrefixedIDBDatabaseConstructor] attribute IDBDatabaseConstructor webkitIDBDatabase;
+    [MeasureAs=PrefixedIDBFactoryConstructor] attribute IDBFactoryConstructor webkitIDBFactory;
+    [MeasureAs=PrefixedIDBIndexConstructor] attribute IDBIndexConstructor webkitIDBIndex;
+    [MeasureAs=PrefixedIDBKeyRangeConstructor] attribute IDBKeyRangeConstructor webkitIDBKeyRange;
+    [MeasureAs=PrefixedIDBObjectStoreConstructor] attribute IDBObjectStoreConstructor webkitIDBObjectStore;
+    [MeasureAs=PrefixedIDBRequestConstructor] attribute IDBRequestConstructor webkitIDBRequest;
+    [MeasureAs=PrefixedIDBTransactionConstructor] attribute IDBTransactionConstructor webkitIDBTransaction;
 
     // Constructors whose name does not match the interface name.
     // FIXME: Remove these once [ImplementedAs] is used and once constructor names match interface names.
     [RuntimeEnabled=MediaStream] attribute MediaStreamConstructor webkitMediaStream;
     [Conditional=WEB_AUDIO, RuntimeEnabled=WebAudio] attribute AudioContextConstructor AudioContext;
     [Conditional=WEB_AUDIO, RuntimeEnabled=WebAudio] attribute OfflineAudioContextConstructor OfflineAudioContext;
     [RuntimeEnabled=PeerConnection] attribute RTCPeerConnectionConstructor webkitRTCPeerConnection;
     [RuntimeEnabled=ScriptedSpeech] attribute SpeechGrammarConstructor webkitSpeechGrammar;
     [RuntimeEnabled=ScriptedSpeech] attribute SpeechGrammarListConstructor webkitSpeechGrammarList;
     [RuntimeEnabled=ScriptedSpeech] attribute SpeechRecognitionConstructor webkitSpeechRecognition;
     [RuntimeEnabled=ScriptedSpeech] attribute SpeechRecognitionErrorConstructor webkitSpeechRecognitionError;
     [RuntimeEnabled=ScriptedSpeech] attribute SpeechRecognitionEventConstructor webkitSpeechRecognitionEvent;
 
     // window.toString() requires special handling in V8
     [DoNotCheckSignature, DoNotCheckSecurity, Custom, NotEnumerable] DOMString toString();
 
     [NotEnumerable] getter Window (unsigned long index);
     [Custom, NotEnumerable] getter Window (DOMString name);
 };
 
 Window implements GlobalEventHandlers;
 Window implements ImageBitmapFactories;
 Window implements WindowBase64;
 Window implements WindowEventHandlers;
 Window implements WindowTimers;