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

chrome/browser/instant/instant_test_utils.cc

 // Copyright 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.
 
 #include "chrome/browser/instant/instant_test_utils.h"
 
 #include "base/command_line.h"
-#include "chrome/browser/prefs/pref_service.h"
+#include "base/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search_engines/template_url_service.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/interactive_test_utils.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/result_codes.h"
@@ skipping 117 matching lines @@
 }
 
 bool InstantTestBase::CheckVisibilityIs(content::WebContents* contents,
                                         bool expected) {
   bool actual = !expected;  // Purposely start with a mis-match.
   // We can only use ASSERT_*() in a method that returns void, hence this
   // convoluted check.
   return GetBoolFromJS(contents, "!document.webkitHidden", &actual) &&
       actual == expected;
 }