Revert of DevTools: use per-LocalFrame instrumenting agents instead of per-Page ones.

Source/core/inspector/InspectorResourceAgent.cpp

 /*
  * Copyright (C) 2011 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 892 matching lines @@
 void InspectorResourceAgent::canClearBrowserCookies(ErrorString*, bool* result)
 {
     *result = true;
 }
 
 void InspectorResourceAgent::setCacheDisabled(ErrorString*, bool cacheDisabled)
 {
     m_state->setBoolean(ResourceAgentState::cacheDisabled, cacheDisabled);
     if (cacheDisabled)
         memoryCache()->evictResources();
-    for (Frame* frame = m_pageAgent->inspectedFrame(); frame; frame = frame->tree().traverseNext()) {
+    for (Frame* frame = m_pageAgent->mainFrame(); frame; frame = frame->tree().traverseNext()) {
         if (frame->isLocalFrame())
             toLocalFrame(frame)->document()->fetcher()->garbageCollectDocumentResources();
     }
 }
 
 void InspectorResourceAgent::emulateNetworkConditions(ErrorString*, bool, double, double, double)
 {
 }
 
 void InspectorResourceAgent::loadResourceForFrontend(ErrorString* errorString, const String& url, const RefPtr<JSONObject>* requestHeaders, PassRefPtrWillBeRawPtr<LoadResourceForFrontendCallback> prpCallback)
 {
     RefPtrWillBeRawPtr<LoadResourceForFrontendCallback> callback = prpCallback;
-    Frame* frame = m_pageAgent->inspectedFrame();
+    Frame* frame = m_pageAgent->page()->mainFrame();
     if (!frame || !frame->isLocalFrame()) {
         *errorString = "No frame to use as a loader found";
         return;
     }
 
     Document* document = static_cast<LocalFrame*>(frame)->document();
     if (!document) {
         *errorString = "No Document instance found";
         return;
     }
@@ skipping 28 matching lines @@
         return;
     }
     loader->setDefersLoading(false);
     if (!callback->isActive())
         return;
     inspectorThreadableLoaderClient->setLoader(loader.release());
 }
 
 void InspectorResourceAgent::didCommitLoad(LocalFrame* frame, DocumentLoader* loader)
 {
-    if (loader->frame() != m_pageAgent->inspectedFrame())
+    if (loader->frame() != frame->page()->mainFrame())
         return;
 
     if (m_state->getBoolean(ResourceAgentState::cacheDisabled))
         memoryCache()->evictResources();
 
     m_resourcesData->clear(m_pageAgent->loaderId(loader));
 }
 
 void InspectorResourceAgent::frameScheduledNavigation(LocalFrame* frame, double)
 {
@@ skipping 46 matching lines @@
     , m_removeFinishedReplayXHRTimer(this, &InspectorResourceAgent::removeFinishedReplayXHRFired)
 {
 }
 
 bool InspectorResourceAgent::shouldForceCORSPreflight()
 {
     return m_state->getBoolean(ResourceAgentState::cacheDisabled);
 }
 
 } // namespace blink