Migrate DevToolsWindow from specific to opaque frontend host messages

chrome/browser/devtools/devtools_window.h

Index: chrome/browser/devtools/devtools_window.h
diff --git a/chrome/browser/devtools/devtools_window.h b/chrome/browser/devtools/devtools_window.h
index fc2faba194cca83718c5dbd72f980bd8eb623f7f..cb49b6f11cf19d87d4599788f470d6fc529f84fc 100644
--- a/chrome/browser/devtools/devtools_window.h
+++ b/chrome/browser/devtools/devtools_window.h
@@ -180,26 +180,32 @@ class DevToolsWindow : private content::NotificationObserver,
   virtual void WebContentsFocused(content::WebContents* contents) OVERRIDE;
 
   // content::DevToolsFrontendHostDelegate:
-  virtual void ActivateWindow() OVERRIDE;
-  virtual void ChangeAttachedWindowHeight(unsigned height) OVERRIDE;
-  virtual void CloseWindow() OVERRIDE;
-  virtual void MoveWindow(int x, int y) OVERRIDE;
-  virtual void SetDockSide(const std::string& side) OVERRIDE;
-  virtual void OpenInNewTab(const std::string& url) OVERRIDE;
-  virtual void SaveToFile(const std::string& url,
-                          const std::string& content,
-                          bool save_as) OVERRIDE;
-  virtual void AppendToFile(const std::string& url,
-                            const std::string& content) OVERRIDE;
-  virtual void RequestFileSystems() OVERRIDE;
-  virtual void AddFileSystem() OVERRIDE;
-  virtual void RemoveFileSystem(const std::string& file_system_path) OVERRIDE;
-  virtual void IndexPath(int request_id,
-                         const std::string& file_system_path) OVERRIDE;
-  virtual void StopIndexing(int request_id) OVERRIDE;
-  virtual void SearchInPath(int request_id,
-                            const std::string& file_system_path,
-                            const std::string& query) OVERRIDE;
+  virtual void DispatchOnFrontendHost(const std::string& message) OVERRIDE;
+
+  typedef base::Callback<bool(const base::ListValue&)> FrontendMessageHandler;
+  void RegisterFrontendMessageHandler(const std::string& method,
+                                      const FrontendMessageHandler& handler);
+
+  // Frontend message handlers:
+  void ActivateWindow();
+  void CloseWindow();
+  void MoveWindow(int x, int y);
+  void SetDockSide(const std::string& side);
+  void OpenInNewTab(const std::string& url);
+  void SaveToFile(const std::string& url,
+                  const std::string& content,
+                  bool save_as);
+  void AppendToFile(const std::string& url,
+                    const std::string& content);
+  void RequestFileSystems();
+  void AddFileSystem();
+  void RemoveFileSystem(const std::string& file_system_path);
+  void IndexPath(int request_id,
+                 const std::string& file_system_path);
+  void StopIndexing(int request_id);
+  void SearchInPath(int request_id,
+                    const std::string& file_system_path,
+                    const std::string& query);
 
   // DevToolsFileHelper callbacks.
   void FileSavedAs(const std::string& url);
@@ -263,6 +269,11 @@ class DevToolsWindow : private content::NotificationObserver,
   int width_;
   int height_;
   DevToolsDockSide dock_side_before_minimized_;
+  typedef std::map<std::string, FrontendMessageHandler>
+      FrontendMessageHandlerMap;
+  FrontendMessageHandlerMap frontend_message_handlers_;
+
+//  scoped_ptr<FrontendHostDispatcher> frontend_host_dispatcher_;
 
   DISALLOW_COPY_AND_ASSIGN(DevToolsWindow);
 };