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

Source/core/inspector/PageRuntimeAgent.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 30 matching lines @@
 #include "core/inspector/InspectorClient.h"
 #include "core/inspector/InspectorPageAgent.h"
 #include "core/inspector/InstrumentingAgents.h"
 #include "core/page/Page.h"
 #include "platform/weborigin/SecurityOrigin.h"
 
 namespace blink {
 
 static int s_nextDebuggerId = 1;
 
-PageRuntimeAgent::PageRuntimeAgent(InjectedScriptManager* injectedScriptManager, InspectorClient* client, ScriptDebugServer* scriptDebugServer, Page* page, InspectorPageAgent* pageAgent)
+PageRuntimeAgent::PageRuntimeAgent(InjectedScriptManager* injectedScriptManager, InspectorClient* client, ScriptDebugServer* scriptDebugServer, InspectorPageAgent* pageAgent)
     : InspectorRuntimeAgent(injectedScriptManager, scriptDebugServer)
     , m_client(client)
-    , m_inspectedPage(page)
     , m_pageAgent(pageAgent)
     , m_mainWorldContextCreated(false)
     , m_debuggerId(s_nextDebuggerId++)
 {
 }
 
 PageRuntimeAgent::~PageRuntimeAgent()
 {
 #if !ENABLE(OILPAN)
     m_instrumentingAgents->setPageRuntimeAgent(0);
 #endif
 }
 
 void PageRuntimeAgent::trace(Visitor* visitor)
 {
-    visitor->trace(m_inspectedPage);
     visitor->trace(m_pageAgent);
     InspectorRuntimeAgent::trace(visitor);
 }
 
 void PageRuntimeAgent::init()
 {
     m_instrumentingAgents->setPageRuntimeAgent(this);
 }
 
 void PageRuntimeAgent::enable(ErrorString* errorString)
@@ skipping 49 matching lines @@
     if (it == m_scriptStateToId.end())
         return;
     int id = it->value;
     m_scriptStateToId.remove(scriptState);
     m_frontend->executionContextDestroyed(id);
 }
 
 InjectedScript PageRuntimeAgent::injectedScriptForEval(ErrorString* errorString, const int* executionContextId)
 {
     if (!executionContextId) {
-        ScriptState* scriptState = ScriptState::forMainWorld(m_inspectedPage->deprecatedLocalMainFrame());
+        ScriptState* scriptState = ScriptState::forMainWorld(m_pageAgent->inspectedFrame());
         InjectedScript result = injectedScriptManager()->injectedScriptFor(scriptState);
         if (result.isEmpty())
             *errorString = "Internal error: main world execution context not found.";
         return result;
     }
     InjectedScript injectedScript = injectedScriptManager()->injectedScriptForId(*executionContextId);
     if (injectedScript.isEmpty())
         *errorString = "Execution context with given id not found.";
     return injectedScript;
 }
 
 void PageRuntimeAgent::muteConsole()
 {
     FrameConsole::mute();
 }
 
 void PageRuntimeAgent::unmuteConsole()
 {
     FrameConsole::unmute();
 }
 
 void PageRuntimeAgent::reportExecutionContextCreation()
 {
     Vector<std::pair<ScriptState*, SecurityOrigin*> > isolatedContexts;
-    for (Frame* frame = m_inspectedPage->mainFrame(); frame; frame = frame->tree().traverseNext()) {
+    for (Frame* frame = m_pageAgent->inspectedFrame(); frame; frame = frame->tree().traverseNext(m_pageAgent->inspectedFrame())) {
         if (!frame->isLocalFrame())
             continue;
         LocalFrame* localFrame = toLocalFrame(frame);
         if (!localFrame->script().canExecuteScripts(NotAboutToExecuteScript))
             continue;
         String frameId = m_pageAgent->frameId(localFrame);
 
         // Ensure execution context is created.
         // If initializeMainWorld returns true, then is registered by didCreateScriptContext
         if (!localFrame->script().initializeMainWorld())
             addExecutionContextToFrontend(ScriptState::forMainWorld(localFrame), true, "", frameId);
         localFrame->script().collectIsolatedContexts(isolatedContexts);
         if (isolatedContexts.isEmpty())
             continue;
         for (const auto& pair : isolatedContexts) {
             String originString = pair.second ? pair.second->toRawString() : "";
             addExecutionContextToFrontend(pair.first, false, originString, frameId);
         }
         isolatedContexts.clear();
     }
 }
 
 } // namespace blink