Support for selective DOM activity logging, based on IDL attributes.

Source/core/page/DOMWindow.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 26 matching lines @@
 ] interface DOMWindow {
     // DOM Level 0
     [Replaceable] readonly attribute Screen screen;
     [Replaceable, DoNotCheckSecurityOnGetter] readonly attribute History history;
     [Replaceable] readonly attribute BarInfo locationbar;
     [Replaceable] readonly attribute BarInfo menubar;
     [Replaceable] readonly attribute BarInfo personalbar;
     [Replaceable] readonly attribute BarInfo scrollbars;
     [Replaceable] readonly attribute BarInfo statusbar;
     [Replaceable] readonly attribute BarInfo toolbar;
-    [Replaceable] readonly attribute Navigator navigator;
+    [Replaceable, PerWorldBindings, ActivityLog=GetterForIsolatedWorlds] readonly attribute Navigator navigator;
     [Replaceable] readonly attribute Navigator clientInformation;
     readonly attribute Crypto crypto;
     [DoNotCheckSecurity, CustomSetter, Unforgeable] attribute Location location;
     [Replaceable, CustomGetter, CustomSetter] readonly attribute Event event;
 
     DOMSelection getSelection();
 
     [CheckSecurityForNode] readonly attribute Element frameElement;
 
     [DoNotCheckSecurity, CallWith=ScriptExecutionContext] void focus();
@@ skipping 84 matching lines @@
     CSSRuleList getMatchedCSSRules([Default=Undefined] optional Element element,
                                    [TreatNullAs=NullString, TreatUndefinedAs=NullString,Default=Undefined] optional DOMString pseudoElement);
 
     [Replaceable] readonly attribute double devicePixelRatio;
     
     DOMPoint webkitConvertPointFromPageToNode([Default=Undefined] optional Node node,
                                               [Default=Undefined] optional DOMPoint p);
     DOMPoint webkitConvertPointFromNodeToPage([Default=Undefined] optional Node node,
                                               [Default=Undefined] optional DOMPoint p);
 
-    [EnabledAtRuntime] readonly attribute DOMApplicationCache applicationCache;
+    [EnabledAtRuntime, PerWorldBindings, ActivityLog=GetterForIsolatedWorlds] readonly attribute DOMApplicationCache applicationCache;
 
-    [EnabledAtRuntime, GetterRaisesException] readonly attribute Storage sessionStorage;
-    [EnabledAtRuntime, GetterRaisesException] readonly attribute Storage localStorage;
+    [EnabledAtRuntime, PerWorldBindings, ActivityLog=GetterForIsolatedWorlds, GetterRaisesException] readonly attribute Storage sessionStorage;
+    [EnabledAtRuntime, PerWorldBindings, ActivityLog=GetterForIsolatedWorlds, GetterRaisesException] readonly attribute Storage localStorage;
 
 #if defined(ENABLE_ORIENTATION_EVENTS) && ENABLE_ORIENTATION_EVENTS
     // 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.
     readonly attribute long orientation;
 #endif
 
     [Replaceable] readonly attribute Console console;
 
@@ skipping 586 matching lines @@
     attribute MutationRecordConstructor MutationRecord;
 
     [EnabledAtRuntime=mediaSource] attribute MediaSourceConstructor WebKitMediaSource;
     [EnabledAtRuntime=mediaSource] attribute SourceBufferConstructor WebKitSourceBuffer;
     [EnabledAtRuntime=mediaSource] attribute SourceBufferListConstructor WebKitSourceBufferList;
 
     // window.toString() requires special handling in V8
     [DoNotCheckSignature, DoNotCheckSecurity, Custom, NotEnumerable] DOMString toString();
 };