[DevTools] Make sendMessageToBackend one of embedder messages.

chrome/browser/devtools/devtools_ui_bindings.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 CHROME_BROWSER_DEVTOOLS_DEVTOOLS_UI_BINDINGS_H_
 #define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_UI_BINDINGS_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 107 matching lines @@
                             const std::string& file_system_path,
                             const std::string& query) OVERRIDE;
   virtual void SetWhitelistedShortcuts(const std::string& message) OVERRIDE;
   virtual void ZoomIn() OVERRIDE;
   virtual void ZoomOut() OVERRIDE;
   virtual void ResetZoom() OVERRIDE;
   virtual void OpenUrlOnRemoteDeviceAndInspect(const std::string& browser_id,
                                                const std::string& url) OVERRIDE;
   virtual void SetDeviceCountUpdatesEnabled(bool enabled) OVERRIDE;
   virtual void SetDevicesUpdatesEnabled(bool enabled) OVERRIDE;
+  virtual void SendMessageToBrowser(const std::string& message) OVERRIDE;
 
   void EnableRemoteDeviceCounter(bool enable);
 
   // DevToolsAndroidBridge::DeviceCountListener override:
   virtual void DeviceCountChanged(int count) OVERRIDE;
 
   // Forwards discovered devices to frontend.
   virtual void DevicesUpdated(const std::string& source,
                               const base::ListValue& targets);
 
@@ skipping 45 matching lines @@
   bool devices_updates_enabled_;
   scoped_ptr<DevToolsTargetsUIHandler> remote_targets_handler_;
   scoped_ptr<DevToolsEmbedderMessageDispatcher> embedder_message_dispatcher_;
   GURL url_;
   base::WeakPtrFactory<DevToolsUIBindings> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DevToolsUIBindings);
 };
 
 #endif  // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_UI_BINDINGS_H_