Revert of 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 7ca1af3e874f9ba6da63f2895d244aba3e61c545..04659d03cc5668ba1cdefed96b19da8b3c8552f3 100644
--- a/third_party/WebKit/public/web/WebRemoteFrame.h
+++ b/third_party/WebKit/public/web/WebRemoteFrame.h
@@ -10,7 +10,6 @@
 #include "public/platform/WebInsecureRequestPolicy.h"
 #include "public/web/WebFrame.h"
 #include "public/web/WebSandboxFlags.h"
-#include "v8/include/v8.h"
 
 namespace blink {
 
@@ -105,7 +104,7 @@
   // 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::Object> globalProxy() const = 0;
+  virtual v8::Local<v8::Context> deprecatedMainWorldScriptContext() const = 0;
 
  protected:
   explicit WebRemoteFrame(WebTreeScopeType scope) : WebFrame(scope) {}