Move MainWorldScriptContext accessor/method from WebFrame to WebLocalFrame.

third_party/WebKit/public/web/WebFrame.h

Index: third_party/WebKit/public/web/WebFrame.h
diff --git a/third_party/WebKit/public/web/WebFrame.h b/third_party/WebKit/public/web/WebFrame.h
index 85e63de4d567be1e4fb299327b88603c01569878..9b80644b8e2f27640e749156a3d41358343b4cd1 100644
--- a/third_party/WebKit/public/web/WebFrame.h
+++ b/third_party/WebKit/public/web/WebFrame.h
@@ -39,14 +39,7 @@
 #include "public/platform/WebInsecureRequestPolicy.h"
 #include "public/web/WebFrameLoadType.h"
 #include "public/web/WebTreeScopeType.h"
-
-namespace v8 {
-class Context;
-class Function;
-class Value;
-template <class T>
-class Local;
-}
+#include "v8/include/v8.h"
 
 namespace blink {
 
@@ -219,6 +212,9 @@ class WebFrame {
 
   // Scripting ----------------------------------------------------------
 
+  // Returns the global proxy object.
+  virtual v8::Local<v8::Object> GlobalProxy() const = 0;
+
   // Executes JavaScript in a new world associated with the web frame.
   // The script gets its own global scope and its own prototypes for
   // intrinsic JavaScript objects (String, Array, and so-on). It also
@@ -272,13 +268,6 @@ class WebFrame {
       int argc,
       v8::Local<v8::Value> argv[]) = 0;
 
-  // Returns the V8 context for associated with the main world and this
-  // frame. There can be many V8 contexts associated with this frame, one for
-  // each isolated world and one for the main world. If you don't know what
-  // the "main world" or an "isolated world" is, then you probably shouldn't
-  // be calling this API.
-  virtual v8::Local<v8::Context> MainWorldScriptContext() const = 0;
-
   // Returns true if the WebFrame currently executing JavaScript has access
   // to the given WebFrame, or false otherwise.
   BLINK_EXPORT static bool ScriptCanAccess(WebFrame*);