Change Page::m_mainFrame to be a Frame.

Source/web/InspectorFrontendClientImpl.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 45 matching lines @@
 {
     if (m_frontendHost)
         m_frontendHost->disconnectClient();
     m_client = 0;
 }
 
 void InspectorFrontendClientImpl::windowObjectCleared()
 {
     v8::Isolate* isolate = v8::Isolate::GetCurrent();
     ASSERT(m_frontendPage->mainFrame());
-    ScriptState* scriptState = ScriptState::forMainWorld(m_frontendPage->mainFrame());
+    ScriptState* scriptState = ScriptState::forMainWorld(m_frontendPage->deprecatedLocalMainFrame());
     ScriptState::Scope scope(scriptState);
 
     if (m_frontendHost)
         m_frontendHost->disconnectClient();
     m_frontendHost = InspectorFrontendHost::create(this, m_frontendPage);
     v8::Handle<v8::Object> global = scriptState->context()->Global();
     v8::Handle<v8::Value> frontendHostObj = toV8(m_frontendHost.get(), global, scriptState->isolate());
 
     global->Set(v8::String::NewFromUtf8(isolate, "InspectorFrontendHost"), frontendHostObj);
-    ScriptController* scriptController = m_frontendPage->mainFrame() ? &m_frontendPage->mainFrame()->script() : 0;
+    ScriptController* scriptController = m_frontendPage->mainFrame() ? &m_frontendPage->deprecatedLocalMainFrame()->script() : 0;
     if (scriptController) {
         String installAdditionalAPI =
             "" // Wrap messages that go to embedder.
             "(function(host, methodEntries) {"
             "    host._lastCallId = 0;"
             "    host._callbacks = [];"
             "    host.embedderMessageAck = function(id, error)"
             "    {"
             "        var callback = host._callbacks[id];"
             "        delete host._callbacks[id];"
@@ skipping 70 matching lines @@
 {
     m_client->sendMessageToEmbedder(message);
 }
 
 bool InspectorFrontendClientImpl::isUnderTest()
 {
     return m_client->isUnderTest();
 }
 
 } // namespace blink