[DevTools] Move eye dropper functionality from protocol to embedder

chrome/browser/devtools/devtools_embedder_message_dispatcher.h

 // Copyright 2013 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_EMBEDDER_MESSAGE_DISPATCHER_H_
 #define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_EMBEDDER_MESSAGE_DISPATCHER_H_
 
 #include <map>
 #include <string>
 
@@ skipping 44 matching lines @@
                            const std::string& file_system_path) = 0;
     virtual void StopIndexing(int index_request_id) = 0;
     virtual void LoadNetworkResource(const DispatchCallback& callback,
                                      const std::string& url,
                                      const std::string& headers,
                                      int stream_id) = 0;
     virtual void SearchInPath(int search_request_id,
                               const std::string& file_system_path,
                               const std::string& query) = 0;
     virtual void SetWhitelistedShortcuts(const std::string& message) = 0;
+    virtual void SetEyeDropperActive(bool active) = 0;
     virtual void ShowCertificateViewer(const std::string& cert_chain) = 0;
     virtual void ZoomIn() = 0;
     virtual void ZoomOut() = 0;
     virtual void ResetZoom() = 0;
     virtual void SetDevicesUpdatesEnabled(bool enabled) = 0;
     virtual void SetDevicesDiscoveryConfig(
         bool discover_usb_devices,
         bool port_forwarding_enabled,
         const std::string& port_forwarding_config) = 0;
     virtual void PerformActionOnRemotePage(const std::string& page_id,
@@ skipping 23 matching lines @@
   virtual ~DevToolsEmbedderMessageDispatcher() {}
   virtual bool Dispatch(const DispatchCallback& callback,
                         const std::string& method,
                         const base::ListValue* params) = 0;
 
   static DevToolsEmbedderMessageDispatcher* CreateForDevToolsFrontend(
       Delegate* delegate);
 };
 
 #endif  // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_EMBEDDER_MESSAGE_DISPATCHER_H_