Use BrowserContext as key in API. Switch Autofill to use BC in place of Profile.

chrome/browser/ui/webui/options/preferences_browsertest.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/webui/options/preferences_browsertest.h"
 
 #include <iostream>
 #include <sstream>
 
 #include "base/json/json_reader.h"
@@ skipping 60 matching lines @@
 // Navigates to the settings page, causing the JavaScript pref handling code to
 // load and injects JavaScript testing code.
 void PreferencesBrowserTest::SetUpOnMainThread() {
   ui_test_utils::NavigateToURL(browser(),
                                GURL(chrome::kChromeUISettingsFrameURL));
   content::WebContents* web_contents = chrome::GetActiveWebContents(browser());
   ASSERT_TRUE(web_contents);
   render_view_host_ = web_contents->GetRenderViewHost();
   ASSERT_TRUE(render_view_host_);
   pref_change_registrar_.Init(
-      PrefServiceBase::ForProfile(browser()->profile()));
+      PrefServiceBase::ForContext(browser()->profile()));
   pref_service_ = browser()->profile()->GetPrefs();
   ASSERT_TRUE(content::ExecuteJavaScript(render_view_host_, L"",
       L"function TestEnv() {"
       L"  this.sentinelName_ = 'profile.exited_cleanly';"
       L"  this.prefs_ = [];"
       L"  TestEnv.instance_ = this;"
       L"}"
       L""
       L"TestEnv.handleEvent = function(event) {"
       L"  var env = TestEnv.instance_;"
@@ skipping 635 matching lines @@
   // Do not set the Boolean pref. It will toogle automatically.
   for (size_t i = 1; i < pref_names_.size(); ++i)
     chromeos::proxy_cros_settings_parser::SetProxyPrefValue(
         profile, pref_names_[i], non_default_values_[i]->DeepCopy());
   SetupJavaScriptTestEnvironment(pref_names_, &observed_json);
   VerifyObservedPrefs(observed_json, pref_names_, non_default_values_,
                       "", false);
 }
 
 #endif