[Sync] Fix namespaces for the browser_sync component.

chrome/browser/extensions/extension_service_sync_unittest.cc

 // Copyright 2015 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 <stddef.h>
 
 #include <map>
 #include <memory>
 #include <string>
 #include <utility>
@@ skipping 285 matching lines @@
 TEST_F(ExtensionServiceSyncTest, DisableExtensionFromSync) {
   // Start the extensions service with one external extension already installed.
   base::FilePath source_install_dir =
       data_dir().AppendASCII("good").AppendASCII("Extensions");
   base::FilePath pref_path =
       source_install_dir.DirName().Append(chrome::kPreferencesFilename);
 
   InitializeInstalledExtensionService(pref_path, source_install_dir);
 
   // The user has enabled sync.
-  ProfileSyncService* sync_service =
+  browser_sync::ProfileSyncService* sync_service =
       ProfileSyncServiceFactory::GetForProfile(profile());
   sync_service->SetFirstSetupComplete();
 
   service()->Init();
   ASSERT_TRUE(service()->is_ready());
 
   ASSERT_EQ(3u, loaded_.size());
 
   // We start enabled.
   const Extension* extension = service()->GetExtensionById(good0, true);
@@ skipping 21 matching lines @@
 TEST_F(ExtensionServiceSyncTest, IgnoreSyncChangesWhenLocalStateIsMoreRecent) {
   // Start the extension service with three extensions already installed.
   base::FilePath source_install_dir =
       data_dir().AppendASCII("good").AppendASCII("Extensions");
   base::FilePath pref_path =
       source_install_dir.DirName().Append(chrome::kPreferencesFilename);
 
   InitializeInstalledExtensionService(pref_path, source_install_dir);
 
   // The user has enabled sync.
-  ProfileSyncService* sync_service =
+  browser_sync::ProfileSyncService* sync_service =
       ProfileSyncServiceFactory::GetForProfile(profile());
   sync_service->SetFirstSetupComplete();
   // Make sure ExtensionSyncService is created, so it'll be notified of changes.
   extension_sync_service();
 
   service()->Init();
   ASSERT_TRUE(service()->is_ready());
   ASSERT_EQ(3u, loaded_.size());
 
   ASSERT_TRUE(service()->IsExtensionEnabled(good0));
@@ skipping 2151 matching lines @@
         break;
       }
     }
   }
   EXPECT_TRUE(found_delete);
 
   // Make sure there is one extension, and there are no more apps.
   EXPECT_EQ(1u, extensions_processor.data().size());
   EXPECT_TRUE(apps_processor.data().empty());
 }