Use a direct include of time headers in content/, part 1.

content/browser/web_contents/web_contents_screenshot_manager.h

 // Copyright (c) 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.
 
 #ifndef CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_SCREENSHOT_MANAGER_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_SCREENSHOT_MANAGER_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
-#include "base/time.h"
+#include "base/time/time.h"
 #include "content/common/content_export.h"
 
 class SkBitmap;
 
 namespace content {
 
 class NavigationControllerImpl;
 class NavigationEntryImpl;
 class RenderViewHost;
 class ScreenshotData;
@@ skipping 59 matching lines @@
 
   base::Time last_screenshot_time_;
   int min_screenshot_interval_ms_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsScreenshotManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_SCREENSHOT_MANAGER_H_