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

third_party/WebKit/public/web/WebRemoteFrame.h

Index: third_party/WebKit/public/web/WebRemoteFrame.h
diff --git a/third_party/WebKit/public/web/WebRemoteFrame.h b/third_party/WebKit/public/web/WebRemoteFrame.h
index 9f3b4e5254cd958aa857a2edd06f25c46aa0907a..6a9c9f50a4f75cb2c5258e02c01dcaafd443d610 100644
--- a/third_party/WebKit/public/web/WebRemoteFrame.h
+++ b/third_party/WebKit/public/web/WebRemoteFrame.h
@@ -10,6 +10,7 @@
 #include "public/web/WebContentSecurityPolicy.h"
 #include "public/web/WebFrame.h"
 #include "public/web/WebSandboxFlags.h"
+#include "v8/include/v8.h"
 
 namespace blink {
 
@@ -104,7 +105,7 @@ class WebRemoteFrame : public WebFrame {
   // Temporary method to allow embedders to get the script context of a
   // remote frame. This should only be used by legacy code that has not yet
   // migrated over to the new OOPI infrastructure.
-  virtual v8::Local<v8::Context> deprecatedMainWorldScriptContext() const = 0;
+  virtual v8::Local<v8::Object> globalProxy() const = 0;
 
  protected:
   explicit WebRemoteFrame(WebTreeScopeType scope) : WebFrame(scope) {}