Implement basic parts of hit regions on canvas2d.

Source/bindings/v8/Dictionary.h

Index: Source/bindings/v8/Dictionary.h
diff --git a/Source/bindings/v8/Dictionary.h b/Source/bindings/v8/Dictionary.h
index a0781c58f9ca0e911bebf8fd8d7ef6c02b5c54f2..2fbaed3afbb1a14bf95bd4a69e69b5d349e054e1 100644
--- a/Source/bindings/v8/Dictionary.h
+++ b/Source/bindings/v8/Dictionary.h
@@ -46,6 +46,7 @@ namespace WebCore {
 class ArrayValue;
 class DOMError;
 class DOMWindow;
+class Element;
 class Gamepad;
 class MediaStream;
 class HeaderMap;
@@ -178,6 +179,7 @@ public:
     bool getOwnPropertyNames(Vector<String>&) const;
 
     bool getWithUndefinedOrNullCheck(const String&, String&) const;
+    bool getWithUndefinedOrNullCheck(const String&, RefPtr<Element>&) const;

[Justin Novosad, 2014/06/02 22:56:13]

Should be RefPtrWillBeMember, and the corresponding members of HitRegionOptions
should also use RefPtrWillBeMember. And don't forget the trace method on
HitRegionOptions.

[zino, 2014/06/06 06:35:15]

Done.

 
     bool hasProperty(const String&) const;