[components] Switch {RefCounted}ProfileKeyedService to use BrowserContext

chrome/browser/signin/signin_tracker_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/signin/signin_tracker.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/compiler_specific.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 22 matching lines @@
 namespace {
 
 class MockTokenService : public TokenService {
  public:
   MockTokenService() { }
   virtual ~MockTokenService() { }
 
   MOCK_CONST_METHOD1(HasTokenForService, bool(const char*));
 };
 
-ProfileKeyedService* BuildMockTokenService(Profile* profile) {
+ProfileKeyedService* BuildMockTokenService(content::BrowserContext* profile) {
   return new MockTokenService;
 }
 
 class MockObserver : public SigninTracker::Observer {
  public:
   MockObserver() {}
   ~MockObserver() {}
 
   MOCK_METHOD0(GaiaCredentialsValid, void(void));
   MOCK_METHOD1(SigninFailed, void(const GoogleServiceAuthError&));
@@ skipping 309 matching lines @@
 
 TEST_F(SigninTrackerTest, SigninFailedWhenInitializing) {
   tracker_.reset();
   // SigninFailed() should be called.
   GoogleServiceAuthError error(GoogleServiceAuthError::REQUEST_CANCELED);
   EXPECT_CALL(observer_, SigninFailed(error));
   tracker_.reset(new SigninTracker(profile_.get(), &observer_,
                                    SigninTracker::SERVICES_INITIALIZING));
   tracker_->OnStateChanged();
 }