Fix V8 callback binding for "CallWith=ThisValue" attribute.

Source/bindings/v8/V8Callback.h

Index: Source/bindings/v8/V8Callback.h
diff --git a/Source/bindings/v8/V8Callback.h b/Source/bindings/v8/V8Callback.h
index 603fc7e84c65d4274f7c0416fb2602c134e7bd41..f6126243f2729247d8bded4b40e717b34a619219 100644
--- a/Source/bindings/v8/V8Callback.h
+++ b/Source/bindings/v8/V8Callback.h
@@ -42,7 +42,7 @@ class ExecutionContext;
 
 // Returns false if the callback threw an exception, true otherwise.
 bool invokeCallback(ScriptState*, v8::Local<v8::Function> callback, int argc, v8::Handle<v8::Value> argv[]);
-bool invokeCallback(ScriptState*, v8::Local<v8::Function> callback, v8::Handle<v8::Object> thisObject, int argc, v8::Handle<v8::Value> argv[]);
+bool invokeCallback(ScriptState*, v8::Local<v8::Function> callback, v8::Handle<v8::Value> thisValue, int argc, v8::Handle<v8::Value> argv[]);
 
 // FIXME: This file is used only by V8GeolocationCustom.cpp. Remove the custom binding and this file.
 enum CallbackAllowedValueFlag {