[Sync] Remove some http-related chrome deps from SyncBackendHostImpl.

chrome/browser/sync/profile_sync_service_startup_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 "base/files/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/signin/account_tracker_service_factory.h"
 #include "chrome/browser/signin/fake_profile_oauth2_token_service_builder.h"
@@ skipping 70 matching lines @@
   TestProfileSyncServiceNoBackup(
       scoped_ptr<sync_driver::SyncClient> sync_client,
       Profile* profile,
       scoped_ptr<SigninManagerWrapper> signin_wrapper,
       ProfileOAuth2TokenService* oauth2_token_service,
       browser_sync::ProfileSyncServiceStartBehavior start_behavior)
       : ProfileSyncService(sync_client.Pass(),
                            profile,
                            signin_wrapper.Pass(),
                            oauth2_token_service,
-                           start_behavior) {}
+                           start_behavior,
+                           base::Bind(&EmptyNetworkTimeUpdate)) {}
 
  protected:
   bool NeedBackup() const override { return false; }
 };
 
 class ProfileSyncServiceStartupTest : public testing::Test {
  public:
   ProfileSyncServiceStartupTest()
       : thread_bundle_(content::TestBrowserThreadBundle::REAL_DB_THREAD |
                        content::TestBrowserThreadBundle::REAL_FILE_THREAD |
@@ skipping 484 matching lines @@
   profile_->GetPrefs()->ClearPref(sync_driver::prefs::kSyncHasSetupCompleted);
 
   EXPECT_CALL(observer_, OnStateChanged()).Times(AnyNumber());
   sync_->Initialize();
 
   sync_->SetSetupInProgress(true);
   IssueTestTokens(account_id);
   sync_->SetSetupInProgress(false);
   EXPECT_FALSE(sync_->IsSyncActive());
 }