Create system tray item for accessing chrome://slow

chrome/browser/chromeos/system/ash_system_tray_delegate.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/chromeos/system/ash_system_tray_delegate.h"
 
 #include <algorithm>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 54 matching lines @@
 #include "chrome/browser/chromeos/mobile_config.h"
 #include "chrome/browser/chromeos/options/network_config_view.h"
 #include "chrome/browser/chromeos/options/network_connect.h"
 #include "chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/chromeos/sim_dialog_delegate.h"
 #include "chrome/browser/chromeos/status/data_promo_notification.h"
 #include "chrome/browser/chromeos/system/timezone_settings.h"
 #include "chrome/browser/chromeos/system_key_event_listener.h"
 #include "chrome/browser/drive/drive_service_interface.h"
+#include "chrome/browser/feedback/tracing_manager.h"
 #include "chrome/browser/google/google_util.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/policy/browser_policy_connector.h"
 #include "chrome/browser/policy/cloud/cloud_policy_store.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/ash/volume_controller_chromeos.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/chrome_pages.h"
 #include "chrome/browser/ui/host_desktop.h"
@@ skipping 428 matching lines @@
   virtual void ShowBluetoothSettings() OVERRIDE {
     // TODO(sad): Make this work.
   }
 
   virtual void ShowDisplaySettings() OVERRIDE {
     content::RecordAction(content::UserMetricsAction("ShowDisplayOptions"));
     chrome::ShowSettingsSubPage(GetAppropriateBrowser(),
                                 kDisplaySettingsSubPageName);
   }
 
+  virtual void ShowSlow() OVERRIDE {
+    chrome::ShowSlow(GetAppropriateBrowser());
+  }
+
   virtual bool ShouldShowDisplayNotification() OVERRIDE {
     // Packaged app is not counted as 'last active', so if a browser opening the
     // display settings is in background of a packaged app, it will return true.
     // TODO(mukai): fix this.
     Browser* active_browser = chrome::FindLastActiveWithHostDesktopType(
         chrome::HOST_DESKTOP_TYPE_ASH);
     if (!active_browser)
       return true;
 
     content::WebContents* active_contents =
@@ skipping 404 matching lines @@
     user_pref_registrar_->Add(
         prefs::kLargeCursorEnabled,
         base::Bind(&SystemTrayDelegate::OnAccessibilityModeChanged,
                    base::Unretained(this),
                    ash::A11Y_NOTIFICATION_NONE));
     user_pref_registrar_->Add(
         prefs::kShouldAlwaysShowAccessibilityMenu,
         base::Bind(&SystemTrayDelegate::OnAccessibilityModeChanged,
                    base::Unretained(this),
                    ash::A11Y_NOTIFICATION_NONE));
+    user_pref_registrar_->Add(
+        prefs::kPerformanceTracingEnabled,
+        base::Bind(&SystemTrayDelegate::UpdatePerformanceTracing,
+                   base::Unretained(this)));
 
     UpdateClockType();
     UpdateShowLogoutButtonInTray();
+    UpdatePerformanceTracing();
     search_key_mapped_to_ =
         profile->GetPrefs()->GetInteger(prefs::kLanguageRemapSearchKeyTo);
   }
 
   bool UnsetProfile(Profile* profile) {
     if (profile != user_profile_)
       return false;
     user_pref_registrar_.reset();
     return true;
   }
@@ skipping 196 matching lines @@
   void OnLanguageRemapSearchKeyToChanged() {
     search_key_mapped_to_ = user_pref_registrar_->prefs()->GetInteger(
         prefs::kLanguageRemapSearchKeyTo);
   }
 
   void OnAccessibilityModeChanged(
       ash::AccessibilityNotificationVisibility notify) {
     GetSystemTrayNotifier()->NotifyAccessibilityModeChanged(notify);
   }
 
+  void UpdatePerformanceTracing() {
+    if (!user_pref_registrar_)
+      return;
+    bool value =
+        user_pref_registrar_->prefs()->GetBoolean(
+            prefs::kPerformanceTracingEnabled);
+    GetSystemTrayNotifier()->NotifyTracingModeChanged(value);
+  }
+
   // Overridden from InputMethodManager::Observer.
   virtual void InputMethodChanged(
       input_method::InputMethodManager* manager, bool show_message) OVERRIDE {
     GetSystemTrayNotifier()->NotifyRefreshIME(show_message);
   }
 
   virtual void InputMethodPropertyChanged(
       input_method::InputMethodManager* manager) OVERRIDE {
     GetSystemTrayNotifier()->NotifyRefreshIME(false);
   }
@@ skipping 193 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(SystemTrayDelegate);
 };
 
 }  // namespace
 
 ash::SystemTrayDelegate* CreateSystemTrayDelegate() {
   return new chromeos::SystemTrayDelegate();
 }
 
 }  // namespace chromeos