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

ash/wm/boot_splash_screen.h

 // 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.
 
 #ifndef ASH_WM_BOOT_SPLASH_SCREEN_H_
 #define ASH_WM_BOOT_SPLASH_SCREEN_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/time.h"
+#include "base/time/time.h"
 
 namespace aura {
 class RootWindow;
 }
 
 namespace ui {
 class Layer;
 class LayerDelegate;
 }
 
@@ skipping 21 matching lines @@
 
   scoped_ptr<ui::Layer> layer_;
 
   DISALLOW_COPY_AND_ASSIGN(BootSplashScreen);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_BOOT_SPLASH_SCREEN_H_