Switch RemoteWindowProxy to use v8::Context::NewRemoteContext.

third_party/WebKit/Source/bindings/core/v8/RemoteWindowProxy.h

Index: third_party/WebKit/Source/bindings/core/v8/RemoteWindowProxy.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/RemoteWindowProxy.h b/third_party/WebKit/Source/bindings/core/v8/RemoteWindowProxy.h
index 7e7fde4d558ba7f859856faf47a306013c66b1c4..5ca13f0193cf25b28ff093787b8f73c7ae601020 100644
--- a/third_party/WebKit/Source/bindings/core/v8/RemoteWindowProxy.h
+++ b/third_party/WebKit/Source/bindings/core/v8/RemoteWindowProxy.h
@@ -32,7 +32,6 @@
 #define RemoteWindowProxy_h
 
 #include "bindings/core/v8/DOMWrapperWorld.h"
-#include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/WindowProxy.h"
 #include "core/frame/RemoteFrame.h"
 #include "v8/include/v8.h"
@@ -41,29 +40,14 @@
 namespace blink {
 
 // Subclass of WindowProxy that only handles RemoteFrame.
-// TODO(dcheng): This class currently duplicates a lot of logic from
-// LocalWindowPoxy:
-// - contextIfInitialized
-// - initialize
-// - disposeContext
-// - setupWindowPrototypeChain
-// - createContext
-// This is currently duplicated to make it easier to stage the switch to using
-// v8::RemoteContext::NewRemoteContext, and will be removed once the switch
-// is complete.
 class RemoteWindowProxy final : public WindowProxy {
  public:
   static RemoteWindowProxy* create(v8::Isolate* isolate,
                                    RemoteFrame& frame,
-
                                    RefPtr<DOMWrapperWorld> world) {
     return new RemoteWindowProxy(isolate, frame, std::move(world));
   }
 
-  v8::Local<v8::Context> contextIfInitialized() const {
-    return m_scriptState ? m_scriptState->context() : v8::Local<v8::Context>();
-  }
-
  private:
   RemoteWindowProxy(v8::Isolate*, RemoteFrame&, RefPtr<DOMWrapperWorld>);
 
@@ -79,8 +63,6 @@ class RemoteWindowProxy final : public WindowProxy {
   // prototype chain do not get fully initialized yet, e.g. the window
   // wrapper is not yet associated with the native DOMWindow object.
   void createContext();
-
-  RefPtr<ScriptState> m_scriptState;
 };
 
 }  // namespace blink