[Sync] Fix namespaces for the browser_sync component.

chrome/browser/sync/test/integration/multi_client_status_change_checker.cc

 // Copyright 2014 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/sync/test/integration/multi_client_status_change_checker.h"
 
 #include "base/logging.h"
 #include "base/scoped_observer.h"
 #include "components/browser_sync/profile_sync_service.h"
 
 MultiClientStatusChangeChecker::MultiClientStatusChangeChecker(
-    std::vector<ProfileSyncService*> services)
-  : services_(services) {}
+    std::vector<browser_sync::ProfileSyncService*> services)
+    : services_(services) {}
 
 MultiClientStatusChangeChecker::~MultiClientStatusChangeChecker() {}
 
 void MultiClientStatusChangeChecker::Wait() {
   DVLOG(1) << "Await: " << GetDebugMessage();
 
   if (IsExitConditionSatisfied()) {
     DVLOG(1) << "Await -> Exit before waiting: " << GetDebugMessage();
     return;
   }
 
-  ScopedObserver<ProfileSyncService, MultiClientStatusChangeChecker> obs(this);
-  for (std::vector<ProfileSyncService*>::iterator it = services_.begin();
+  ScopedObserver<browser_sync::ProfileSyncService,
+                 MultiClientStatusChangeChecker>
+      obs(this);
+  for (std::vector<browser_sync::ProfileSyncService*>::iterator it =
+           services_.begin();
        it != services_.end(); ++it) {
     obs.Add(*it);
   }
 
   StartBlockingWait();
 }
 
 void MultiClientStatusChangeChecker::OnStateChanged() {
   CheckExitCondition();
 }