Remove WindowProxy::isGlobalInitialized(). (DO NOT COMMIT YET)

third_party/WebKit/Source/web/WebLocalFrameImpl.cpp

Index: third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp b/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
index 91cd54ae1ec8bff1696e166fe3112d5eb6211eea..9a0206874dbcde8f6e8613341c3262cacb00682d 100644
--- a/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
+++ b/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
@@ -98,6 +98,7 @@
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8GCController.h"
 #include "bindings/core/v8/V8PerIsolateData.h"
+#include "bindings/core/v8/WindowProxy.h"
 #include "core/HTMLNames.h"
 #include "core/dom/Document.h"
 #include "core/dom/IconURL.h"
@@ -847,9 +848,9 @@ v8::Local<v8::Value> WebLocalFrameImpl::callFunctionEvenIfScriptDisabled(
 }
 
 v8::Local<v8::Context> WebLocalFrameImpl::mainWorldScriptContext() const {
-  ScriptState* scriptState = ScriptState::forMainWorld(frame());
-  DCHECK(scriptState);
-  return scriptState->context();
+  WindowProxy* windowProxy = frame()->getWindowProxyManager()->mainWorldProxy();
+  windowProxy->initializeIfNeeded();
+  return windowProxy->getScriptState()->context();
 }
 
 bool WebFrame::scriptCanAccess(WebFrame* target) {