Reduce the amount of included header files. Vast change like in "Oh God! This...

chrome/browser/google_url_tracker.h

 // Copyright (c) 2006-2008 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 CHROME_BROWSER_GOOGLE_URL_TRACKER_H_
 #define CHROME_BROWSER_GOOGLE_URL_TRACKER_H_
 
 #include "chrome/browser/net/url_fetcher.h"
 #include "chrome/common/notification_observer.h"
+#include "googleurl/src/gurl.h"
 
 class PrefService;
 
 // This object is responsible for updating the Google URL at most once per run,
 // and tracking the currently known value, which is also saved to a pref.
 //
 // Most consumers should only call GoogleURL(), which is guaranteed to
 // synchronously return a value at all times (even during startup or in unittest
 // mode).  Consumers who need to be notified when things change should listen to
 // the notification service for NOTIFY_GOOGLE_URL_UPDATED, and call GoogleURL()
@@ skipping 79 matching lines @@
   bool request_context_available_;
                            // True when the profile has been loaded and the
                            // default request context created, so we can
                            // actually do the fetch with the right data.
 
   DISALLOW_COPY_AND_ASSIGN(GoogleURLTracker);
 };
 
 #endif  // CHROME_BROWSER_GOOGLE_URL_TRACKER_H_