sync: don't allow NULL profile in ProfileSyncService and friends

chrome/browser/sync/profile_sync_service_mock.h

 // 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.
 
 #ifndef CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_MOCK_H_
 #define CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_MOCK_H_
 
 #include <string>
 #include <vector>
 
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 #include "chrome/browser/sync/glue/change_processor.h"
 #include "chrome/browser/sync/glue/data_type_controller.h"
 #include "chrome/browser/sync/glue/device_info.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/test/base/testing_profile.h"
 #include "google_apis/gaia/google_service_auth_error.h"
 #include "sync/internal_api/public/base/model_type.h"
 #include "sync/protocol/sync_protocol_error.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 using ::testing::Invoke;
 
 class ProfileSyncServiceMock : public ProfileSyncService {
  public:
-  // no-arg constructor provided so TestingProfile can use NiceMock.
-  ProfileSyncServiceMock();
   explicit ProfileSyncServiceMock(Profile* profile);
   virtual ~ProfileSyncServiceMock();
 
   // A utility used by sync tests to create a TestingProfile with a Google
   // Services username stored in a (Testing)PrefService.
   static TestingProfile* MakeSignedInTestingProfile();
 
   // Helper routine to be used in conjunction with
   // BrowserContextKeyedServiceFactory::SetTestingFactory().
   static BrowserContextKeyedService* BuildMockProfileSyncService(
@@ skipping 84 matching lines @@
   MOCK_CONST_METHOD0(GetPassphraseType, syncer::PassphraseType());
   MOCK_CONST_METHOD0(GetPassphraseTime, base::Time());
   MOCK_CONST_METHOD0(GetExplicitPassphraseTime, base::Time());
 
   MOCK_METHOD1(SetDecryptionPassphrase, bool(const std::string& passphrase));
   MOCK_METHOD2(SetEncryptionPassphrase, void(const std::string& passphrase,
                                              PassphraseType type));
 };
 
 #endif  // CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_MOCK_H_