Measure loading time of several tabs.

chrome/browser/automation/automation_provider.h

 // Copyright (c) 2010 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.
 
 // This implements a browser-side endpoint for UI automation activity.
 // The client-side endpoint is implemented by AutomationProxy.
 // The entire lifetime of this object should be contained within that of
 // the BrowserProcess, and in particular the NotificationService that's
 // hung off of it.
 
@@ skipping 32 matching lines @@
 struct ExternalTabSettings;
 }
 
 class AutomationExtensionTracker;
 class Extension;
 class ExtensionPortContainer;
 class ExtensionTestResultNotificationObserver;
 class ExternalTabContainer;
 class LoginHandler;
 class MetricEventDurationObserver;
+class InitialLoadObserver;
 class NavigationControllerRestoredObserver;
 struct AutocompleteMatchData;
 
 namespace gfx {
 class Point;
 }
 
 class AutomationProvider : public base::RefCounted<AutomationProvider>,
                            public IPC::Channel::Listener,
                            public IPC::Message::Sender {
@@ skipping 306 matching lines @@
   void GetPrefsInfo(Browser* browser,
                     DictionaryValue* args,
                     IPC::Message* reply_message);
 
   // Set prefs.
   // Uses the JSON interface for input/output.
   void SetPrefs(Browser* browser,
                 DictionaryValue* args,
                 IPC::Message* reply_message);
 
+  // Return load times of initial tabs.
+  // Uses the JSON interface for input/output.
+  // Only includes tabs from command line arguments or session restore.
+  // See declaration of InitialLoadObserver in automation_provider_observers.h
+  // for example response.
+  void GetInitialLoadTimes(Browser* browser,
+                           DictionaryValue* args,
+                           IPC::Message* reply_message);
+
   // Get info about plugins.
   // Uses the JSON interface for input/output.
   void GetPluginsInfo(Browser* browser,
                       DictionaryValue* args,
                       IPC::Message* reply_message);
 
   // Enable a plugin.
   // Uses the JSON interface for input/output.
   void EnablePlugin(Browser* browser,
                     DictionaryValue* args,
@@ skipping 374 matching lines @@
   void OnBrowserMoved(int handle);
 
   ExternalTabContainer* GetExternalTabForHandle(int handle);
 #endif  // defined(OS_WIN)
 
   typedef ObserverList<NotificationObserver> NotificationObserverList;
   typedef std::map<NavigationController*, LoginHandler*> LoginHandlerMap;
   typedef std::map<int, ExtensionPortContainer*> PortContainerMap;
 
   scoped_ptr<IPC::ChannelProxy> channel_;
-  scoped_ptr<NotificationObserver> initial_load_observer_;
+  scoped_ptr<InitialLoadObserver> initial_load_observer_;
   scoped_ptr<NotificationObserver> new_tab_ui_load_observer_;
   scoped_ptr<NotificationObserver> find_in_page_observer_;
   scoped_ptr<NotificationObserver> dom_operation_observer_;
   scoped_ptr<NotificationObserver> dom_inspector_observer_;
   scoped_ptr<ExtensionTestResultNotificationObserver>
       extension_test_result_observer_;
   scoped_ptr<MetricEventDurationObserver> metric_event_duration_observer_;
   scoped_ptr<AutomationBrowserTracker> browser_tracker_;
   scoped_ptr<AutomationExtensionTracker> extension_tracker_;
   scoped_ptr<AutomationTabTracker> tab_tracker_;
@@ skipping 56 matching lines @@
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   void OnRemoveProvider();  // Called via PostTask
 
   NotificationRegistrar registrar_;
 };
 
 #endif  // CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_H_