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

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

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WindowProxyManager_h
 #define WindowProxyManager_h
 
 #include "bindings/core/v8/LocalWindowProxy.h"
 #include "bindings/core/v8/RemoteWindowProxy.h"
 #include "core/CoreExport.h"
@@ skipping 36 matching lines @@
 
  private:
   v8::Isolate* const m_isolate;
   const Member<Frame> m_frame;
   const Member<WindowProxy> m_windowProxy;
   IsolatedWorldMap m_isolatedWorlds;
 };
 
 template <typename FrameType, typename ProxyType>
 class WindowProxyManagerImplHelper : public WindowProxyManagerBase {
- protected:
+ private:
   using Base = WindowProxyManagerBase;
 
+ public:
   FrameType* frame() const { return static_cast<FrameType*>(Base::frame()); }
   ProxyType* mainWorldProxy() const {
     return static_cast<ProxyType*>(Base::mainWorldProxy());
   }
   ProxyType* windowProxy(DOMWrapperWorld& world) {
     return static_cast<ProxyType*>(Base::windowProxy(world));
   }
 
+ protected:
   explicit WindowProxyManagerImplHelper(Frame& frame)
       : WindowProxyManagerBase(frame) {}
 };
 
 class LocalWindowProxyManager
     : public WindowProxyManagerImplHelper<LocalFrame, LocalWindowProxy> {
  public:
   static LocalWindowProxyManager* create(LocalFrame& frame) {
     return new LocalWindowProxyManager(frame);
   }
@@ skipping 11 matching lines @@
 };
 
 class RemoteWindowProxyManager
     : public WindowProxyManagerImplHelper<RemoteFrame, RemoteWindowProxy> {
  public:
   static RemoteWindowProxyManager* create(RemoteFrame& frame) {
     return new RemoteWindowProxyManager(frame);
   }
 
  private:
-  // TODO(dcheng): Ideally, remove this friend declaration once WindowProxy
-  // initialization details are better encapsulated.
-  friend class RemoteFrame;
-
   explicit RemoteWindowProxyManager(RemoteFrame& frame)
       : WindowProxyManagerImplHelper<RemoteFrame, RemoteWindowProxy>(frame) {}
 };
 
 }  // namespace blink
 
 #endif  // WindowProxyManager_h