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

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

Index: third_party/WebKit/Source/bindings/core/v8/WindowProxyManager.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/WindowProxyManager.h b/third_party/WebKit/Source/bindings/core/v8/WindowProxyManager.h
index a70c384d0242296dd1daa1e7f12bc0ca2fe7d931..44adedcb3a4fb5d6dec53237e0dff0992278c8c5 100644
--- a/third_party/WebKit/Source/bindings/core/v8/WindowProxyManager.h
+++ b/third_party/WebKit/Source/bindings/core/v8/WindowProxyManager.h
@@ -54,10 +54,9 @@ class WindowProxyManagerBase : public GarbageCollected<WindowProxyManagerBase> {
 
 template <typename FrameType, typename ProxyType>
 class WindowProxyManagerImplHelper : public WindowProxyManagerBase {
- private:
+ protected:
   using Base = WindowProxyManagerBase;
 
- public:
   FrameType* frame() const { return static_cast<FrameType*>(Base::frame()); }
   ProxyType* mainWorldProxy() const {
     return static_cast<ProxyType*>(Base::mainWorldProxy());
@@ -66,7 +65,6 @@ class WindowProxyManagerImplHelper : public WindowProxyManagerBase {
     return static_cast<ProxyType*>(Base::windowProxy(world));
   }
 
- protected:
   explicit WindowProxyManagerImplHelper(Frame& frame)
       : WindowProxyManagerBase(frame) {}
 };
@@ -98,6 +96,10 @@ class RemoteWindowProxyManager
   }
 
  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) {}
 };