ash: Add metrics for screen lock and shutdown.

ash/wm/session_state_controller_impl2.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 "ash/wm/session_state_controller_impl2.h"
 
 #include "ash/ash_switches.h"
 #include "ash/cancel_mode.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
@@ skipping 352 matching lines @@
   DCHECK(shutting_down_);
 #if defined(OS_CHROMEOS)
   if (!base::chromeos::IsRunningOnChromeOS()) {
     ShellDelegate* delegate = Shell::GetInstance()->delegate();
     if (delegate) {
       delegate->Exit();
       return;
     }
   }
 #endif
+  Shell::GetInstance()->delegate()->RecordUserMetricsAction(
+      UMA_ACCEL_SHUT_DOWN_POWER_BUTTON);
   delegate_->RequestShutdown();
 }
 
 void SessionStateControllerImpl2::OnLockScreenHide(
   base::Callback<void(void)>& callback) {
   StartUnlockAnimationBeforeUIDestroyed(callback);
 }
 
 void SessionStateControllerImpl2::LockAnimationCancelled() {
   can_cancel_lock_animation_ = false;
   RestoreUnlockedProperties();
 }
 
 void SessionStateControllerImpl2::PreLockAnimationFinished(bool request_lock) {
   can_cancel_lock_animation_ = false;
 
-  if (request_lock)
+  if (request_lock) {
+    Shell::GetInstance()->delegate()->RecordUserMetricsAction(
+        shutdown_after_lock_ ?
+        UMA_ACCEL_LOCK_SCREEN_POWER_BUTTON :
+        UMA_ACCEL_LOCK_SCREEN_LOCK_BUTTON);
     delegate_->RequestLockScreen();
+  }
 
   lock_fail_timer_.Start(
       FROM_HERE,
       base::TimeDelta::FromMilliseconds(kLockFailTimeoutMs),
       this,
       &SessionStateControllerImpl2::OnLockFailTimeout);
 }
 
 void SessionStateControllerImpl2::PostLockAnimationFinished() {
   animating_lock_ = false;
@@ skipping 221 matching lines @@
       unlocked_properties_->background_is_hidden) {
     animator_->StartAnimationWithObserver(
         internal::SessionStateAnimator::DESKTOP_BACKGROUND,
         internal::SessionStateAnimator::ANIMATION_FADE_OUT,
         speed,
         observer);
   }
 }
 
 }  // namespace ash