Merge 101221 - Reland 101111 - Only deliver extension messages to contexts that care.

chrome/renderer/extensions/event_bindings.cc

 // Copyright (c) 2011 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 "chrome/renderer/extensions/event_bindings.h"
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/lazy_instance.h"
@@ skipping 374 matching lines @@
 
   V8ValueConverter converter;
   for (ContextList::iterator it = contexts.begin();
        it != contexts.end(); ++it) {
     if ((*it)->context.IsEmpty())
       continue;
 
     if (!extension_id.empty() && extension_id != (*it)->extension_id)
       continue;
 
-    WebFrame* context_frame = WebFrame::frameForContext((*it)->context);
-    if (!context_frame || !context_frame->view())
-      continue;
-
-    RenderView* context_render_view =
-        RenderView::FromWebView(context_frame->view());
+    RenderView* context_render_view = (*it)->GetRenderView();
     if (!context_render_view)
       continue;
 
     if (render_view && render_view != context_render_view)
       continue;
 
     if (!HasSufficientPermissions(context_render_view, event_url))
       continue;
 
     v8::Local<v8::Context> context(*((*it)->context));
@@ skipping 11 matching lines @@
     // TODO(rafaelw): Consider only doing this check if function_name ==
     // "Event.dispatchJSON".
 #ifndef NDEBUG
     if (!retval.IsEmpty() && !retval->IsUndefined()) {
       std::string error = *v8::String::AsciiValue(retval);
       DCHECK(false) << error;
     }
 #endif
   }
 }