[Sync] Fix namespaces for the browser_sync component.

chrome/browser/extensions/api/sessions/sessions_api.cc

Index: chrome/browser/extensions/api/sessions/sessions_api.cc
diff --git a/chrome/browser/extensions/api/sessions/sessions_api.cc b/chrome/browser/extensions/api/sessions/sessions_api.cc
index edd2fb504cd014231b576d468a97d8201f465df7..4b5af71c269bc52582c54f6895fee0a574ee1e4e 100644
--- a/chrome/browser/extensions/api/sessions/sessions_api.cc
+++ b/chrome/browser/extensions/api/sessions/sessions_api.cc
@@ -349,7 +349,7 @@ api::sessions::Device SessionsGetDevicesFunction::CreateDeviceModel(
 }
 
 bool SessionsGetDevicesFunction::RunSync() {
-  ProfileSyncService* service =
+  browser_sync::ProfileSyncService* service =
       ProfileSyncServiceFactory::GetInstance()->GetForProfile(GetProfile());
   if (!(service && service->GetPreferredDataTypes().Has(syncer::SESSIONS))) {
     // Sync not enabled.
@@ -496,7 +496,7 @@ bool SessionsRestoreFunction::RestoreLocalSession(const SessionId& session_id,
 
 bool SessionsRestoreFunction::RestoreForeignSession(const SessionId& session_id,
                                                     Browser* browser) {
-  ProfileSyncService* service =
+  browser_sync::ProfileSyncService* service =
       ProfileSyncServiceFactory::GetInstance()->GetForProfile(GetProfile());
   if (!(service && service->GetPreferredDataTypes().Has(syncer::SESSIONS))) {
     SetError(kSessionSyncError);