Revert 167276 "Remove isolatedWorldForEnteredContext() and isola..."

trunk/Source/bindings/v8/V8Binding.h

 /*
 * Copyright (C) 2009 Google Inc. All rights reserved.
 * Copyright (C) 2012 Ericsson AB. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
@@ skipping 596 matching lines @@
 
         return v8Value;
     }
 
     v8::Isolate* toIsolate(ExecutionContext*);
     v8::Isolate* toIsolate(Frame*);
 
     WrapperWorldType worldType(v8::Isolate*);
     WrapperWorldType worldTypeInMainThread(v8::Isolate*);
 
+    DOMWrapperWorld* isolatedWorldForIsolate(v8::Isolate*);
+
     DOMWindow* toDOMWindow(v8::Handle<v8::Value>, v8::Isolate*);
     DOMWindow* toDOMWindow(v8::Handle<v8::Context>);
     ExecutionContext* toExecutionContext(v8::Handle<v8::Context>);
 
     DOMWindow* activeDOMWindow(v8::Isolate*);
     ExecutionContext* activeExecutionContext(v8::Isolate*);
     DOMWindow* firstDOMWindow(v8::Isolate*);
     Document* currentDocument(v8::Isolate*);
     ExecutionContext* currentExecutionContext(v8::Isolate*);
 
     // Returns a V8 context associated with a ExecutionContext and a DOMWrapperWorld.
     // This method returns an empty context if there is no frame or the frame is already detached.
     v8::Local<v8::Context> toV8Context(ExecutionContext*, DOMWrapperWorld*);
     // Returns a V8 context associated with a Frame and a DOMWrapperWorld.
     // This method returns an empty context if the frame is already detached.
     v8::Local<v8::Context> toV8Context(v8::Isolate*, Frame*, DOMWrapperWorld*);
 
     // Returns the frame object of the window object associated with
     // a context, if the window is currently being displayed in the Frame.
     Frame* toFrameIfNotDetached(v8::Handle<v8::Context>);
 
+    inline DOMWrapperWorld* isolatedWorldForEnteredContext(v8::Isolate* isolate)
+    {
+        v8::Handle<v8::Context> context = isolate->GetEnteredContext();
+        if (context.IsEmpty())
+            return 0;
+        return DOMWrapperWorld::isolatedWorld(context);
+    }
+
     // If the current context causes out of memory, JavaScript setting
     // is disabled and it returns true.
     bool handleOutOfMemory();
     v8::Local<v8::Value> handleMaxRecursionDepthExceeded(v8::Isolate*);
     void crashIfV8IsDead();
 
     inline bool isUndefinedOrNull(v8::Handle<v8::Value> value)
     {
         return value->IsNull() || value->IsUndefined();
     }
@@ skipping 67 matching lines @@
             m_isolate->ClearInterrupt();
         }
 
     private:
         v8::Isolate* m_isolate;
     };
 
 } // namespace WebCore
 
 #endif // V8Binding_h