Refactoring: de-couple Extensions from "script injection System" [render side]:3

extensions/renderer/script_injection_manager.h

 // Copyright 2014 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.
 
 #ifndef EXTENSIONS_RENDERER_SCRIPT_INJECTION_MANAGER_H_
 #define EXTENSIONS_RENDERER_SCRIPT_INJECTION_MANAGER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 27 matching lines @@
 // load point, and injecting them when ready.
 class ScriptInjectionManager : public UserScriptSetManager::Observer {
  public:
   ScriptInjectionManager(const ExtensionSet* extensions,
                          UserScriptSetManager* user_script_set_manager);
   virtual ~ScriptInjectionManager();
 
   // Notifies that a new render view has been created.
   void OnRenderViewCreated(content::RenderView* render_view);
 
+  // Removes pending injections of the unloaded extension.
+  void OnExtensionUnloaded(const std::string& extension_id);
+
  private:
   // A RenderViewObserver implementation which watches the various render views
   // in order to notify the ScriptInjectionManager of different document load
   // states.
   class RVOHelper;
 
   typedef std::map<blink::WebFrame*, UserScript::RunLocation> FrameStatusMap;
 
   // UserScriptSetManager::Observer implementation.
   void OnUserScriptsUpdated(const std::set<std::string>& changed_extensions,
@@ skipping 56 matching lines @@
 
   ScopedObserver<UserScriptSetManager, UserScriptSetManager::Observer>
       user_script_set_manager_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(ScriptInjectionManager);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_SCRIPT_INJECTION_MANAGER_H_