Move remaining non-test, non-Chrome-specific Prefs code to base/prefs/.

chrome/browser/ui/bookmarks/bookmark_prompt_controller_unittest.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 "chrome/browser/ui/bookmarks/bookmark_prompt_controller.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/field_trial.h"
+#include "base/prefs/pref_service.h"
 #include "chrome/browser/bookmarks/bookmark_prompt_prefs.h"
 #include "chrome/browser/browser_process.h"
-#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/test/base/browser_with_test_window_test.h"
+#include "chrome/test/base/test_browser_window.h"
 #include "chrome/test/base/testing_browser_process.h"
-#include "chrome/test/base/test_browser_window.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/web_contents.h"
 
 class BookmarkPromptControllerTest : public BrowserWithTestWindowTest {
  public:
   BookmarkPromptControllerTest() : field_trial_list_(NULL), page_id_(0) {
     base::FieldTrialList::CreateFieldTrial("BookmarkPrompt", "Experiment");
   }
 
  protected:
@@ skipping 101 matching lines @@
       EXPECT_EQ(1, show_prompt_call_count());
       EXPECT_EQ(1, prefs.GetPromptImpressionCount());
     }
   }
 
   Visit(url);
 
   EXPECT_EQ(2, show_prompt_call_count());
   EXPECT_EQ(2, prefs.GetPromptImpressionCount());
 }