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

extensions/renderer/guest_view/guest_view_internal_custom_bindings.cc

 // Copyright 2014 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.
 
 #include "extensions/renderer/guest_view/guest_view_internal_custom_bindings.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 302 matching lines @@
   if (!view)
     return;
 
   blink::WebFrame* frame = view->GetWebView()->mainFrame();
   // TODO(lazyboy,nasko): The WebLocalFrame branch is not used when running
   // on top of out-of-process iframes. Remove it once the code is converted.
   v8::Local<v8::Value> window;
   if (frame->isWebLocalFrame()) {
     window = frame->mainWorldScriptContext()->Global();
   } else {
-    window =
-        frame->toWebRemoteFrame()->deprecatedMainWorldScriptContext()->Global();
+    window = frame->toWebRemoteFrame()->globalProxy();
   }
   args.GetReturnValue().Set(window);
 }
 
 void GuestViewInternalCustomBindings::GetViewFromID(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
   // Default to returning null.
   args.GetReturnValue().SetNull();
   // There is one argument.
   CHECK(args.Length() == 1);
@@ skipping 96 matching lines @@
   // EnterFullscreen() and do it directly rather than having a generic "run with
   // user gesture" function.
   blink::WebScopedUserGesture user_gesture(context()->web_frame());
   CHECK_EQ(args.Length(), 1);
   CHECK(args[0]->IsFunction());
   context()->SafeCallFunction(
       v8::Local<v8::Function>::Cast(args[0]), 0, nullptr);
 }
 
 }  // namespace extensions