Use a direct include of time headers in android_webview/, apps/, ash/.

ash/wm/lock_state_controller_impl2.cc

 // 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.
 
 #include "ash/wm/lock_state_controller_impl2.h"
 
 #include "ash/ash_switches.h"
 #include "ash/cancel_mode.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/session_state_animator.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
-#include "base/timer.h"
+#include "base/timer/timer.h"
 #include "ui/aura/root_window.h"
 #include "ui/compositor/layer_animation_sequence.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
 #include "ui/views/corewm/compound_event_filter.h"
 
 #if defined(OS_CHROMEOS)
 #include "base/chromeos/chromeos_version.h"
 #endif
 
 namespace ash {
@@ skipping 611 matching lines @@
       unlocked_properties_->background_is_hidden) {
     animator_->StartAnimationWithObserver(
         internal::SessionStateAnimator::DESKTOP_BACKGROUND,
         internal::SessionStateAnimator::ANIMATION_FADE_OUT,
         speed,
         observer);
   }
 }
 
 }  // namespace ash