Delete WorldContextHandle in favor of DOMWrapperWorld

Source/bindings/v8/DOMWrapperWorld.cpp

Index: Source/bindings/v8/DOMWrapperWorld.cpp
diff --git a/Source/bindings/v8/DOMWrapperWorld.cpp b/Source/bindings/v8/DOMWrapperWorld.cpp
index a5e8cec381d44aafa73bf1ce567022e9a4723e0d..91209564108b37bceff198c13ad958d092e3c49c 100644
--- a/Source/bindings/v8/DOMWrapperWorld.cpp
+++ b/Source/bindings/v8/DOMWrapperWorld.cpp
@@ -65,14 +65,16 @@ DOMWrapperWorld::DOMWrapperWorld(int worldId, int extensionGroup)
         m_domDataStore = adoptPtr(new DOMDataStore(IsolatedWorld));
 }
 
-DOMWrapperWorld* DOMWrapperWorld::current(ScriptExecutionContext* scriptExecutionContext)
+DOMWrapperWorld* DOMWrapperWorld::current()
 {
-    if (scriptExecutionContext->isWorkerContext())
+    ASSERT(v8::Context::InContext());
+    v8::Handle<v8::Context> context = v8::Context::GetCurrent();
+    if (!V8DOMWrapper::isWrapperOfType(toInnerGlobalObject(context), &V8DOMWindow::info))

[abarth-chromium, 2013/04/18 05:41:51]

toInnerGlobalObject can be slow, but I don't think this function is hot enough
for it to matter.

         return 0;
     ASSERT(isMainThread());
-    ASSERT(v8::Context::InContext());
-    DOMWrapperWorld* world = isolatedWorld(v8::Context::GetCurrent());
-    return world ? world : mainThreadNormalWorld();
+    if (DOMWrapperWorld* world = isolatedWorld(context))
+        return world;
+    return mainThreadNormalWorld();
 }
 
 DOMWrapperWorld* mainThreadNormalWorld()