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

ash/system/tray/test_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 "ash/system/tray/test_system_tray_delegate.h"
 
 #include <string>
 
 #include "ash/session_state_delegate.h"
 #include "ash/shell.h"
 #include "ash/volume_control_delegate.h"
 #include "base/message_loop.h"
-#include "base/time.h"
+#include "base/time/time.h"
 
 namespace ash {
 namespace test {
 
 namespace {
 
 class TestVolumeControlDelegate : public VolumeControlDelegate {
  public:
   TestVolumeControlDelegate() {}
   virtual ~TestVolumeControlDelegate() {}
@@ skipping 274 matching lines @@
 base::string16 TestSystemTrayDelegate::FormatTimeDuration(
     const base::TimeDelta& delta) const {
   return base::string16();
 }
 
 void TestSystemTrayDelegate::MaybeSpeak(const std::string& utterance) const {
 }
 
 }  // namespace test
 }  // namespace ash