Devtools: UMA for InspectElement loading time was added

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 12 matching lines @@
 class DevToolsEmbedderMessageDispatcher {
  public:
   class Delegate {
    public:
     virtual ~Delegate() {}
 
     virtual void ActivateWindow() = 0;
     virtual void CloseWindow() = 0;
     virtual void SetContentsInsets(
         int top, int left, int bottom, int right) = 0;
+    virtual void InspectElementCompleted() = 0;
     virtual void MoveWindow(int x, int y) = 0;
     virtual void SetIsDocked(bool is_docked) = 0;
     virtual void OpenInNewTab(const std::string& url) = 0;
     virtual void SaveToFile(const std::string& url,
                             const std::string& content,
                             bool save_as) = 0;
     virtual void AppendToFile(const std::string& url,
                               const std::string& content) = 0;
     virtual void RequestFileSystems() = 0;
     virtual void AddFileSystem() = 0;
@@ skipping 16 matching lines @@
 
  private:
   typedef base::Callback<bool(const base::ListValue&)> Handler;
   void RegisterHandler(const std::string& method, const Handler& handler);
 
   typedef std::map<std::string, Handler> HandlerMap;
   HandlerMap handlers_;
 };
 
 #endif  // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_EMBEDDER_MESSAGE_DISPATCHER_H_