Add ability to change default pref values, and use in BrowserInstantController.

chrome/test/base/testing_profile.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/test/base/testing_profile.h"
 
 #include "build/build_config.h"
 
 #include "base/base_paths.h"
 #include "base/command_line.h"
@@ skipping 538 matching lines @@
     policy_service_.reset(new policy::PolicyServiceStub());
 #endif
   }
   return policy_service_.get();
 }
 
 void TestingProfile::CreateTestingPrefService() {
   DCHECK(!prefs_.get());
   testing_prefs_ = new TestingPrefServiceSyncable();
   prefs_.reset(testing_prefs_);
-  chrome::RegisterUserPrefs(testing_prefs_, testing_prefs_->registry());
+  chrome::RegisterUserPrefs(testing_prefs_->registry());
 }
 
 PrefService* TestingProfile::GetPrefs() {
   if (!prefs_.get()) {
     CreateTestingPrefService();
   }
   return prefs_.get();
 }
 
 history::TopSites* TestingProfile::GetTopSites() {
@@ skipping 239 matching lines @@
 
 scoped_ptr<TestingProfile> TestingProfile::Builder::Build() {
   DCHECK(!build_called_);
   build_called_ = true;
   return scoped_ptr<TestingProfile>(new TestingProfile(
       path_,
       delegate_,
       extension_policy_,
       pref_service_.Pass()));
 }