[Sync] Fix namespaces for the browser_sync component.

chrome/browser/permissions/permission_uma_util_unittest.cc

Index: chrome/browser/permissions/permission_uma_util_unittest.cc
diff --git a/chrome/browser/permissions/permission_uma_util_unittest.cc b/chrome/browser/permissions/permission_uma_util_unittest.cc
index 8d13b0b540246e5e50f77830e26ccb3887be106d..0e6c832eb32e867d99ee3fa00450ca556c3edce5 100644
--- a/chrome/browser/permissions/permission_uma_util_unittest.cc
+++ b/chrome/browser/permissions/permission_uma_util_unittest.cc
@@ -22,6 +22,8 @@
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using browser_sync::ProfileSyncServiceMock;
+
 namespace {
 constexpr char kTestingGaiaId[] = "gaia_id";
 constexpr char kTestingUsername[] = "fake_username";
@@ -55,7 +57,7 @@ class PermissionUmaUtilTest : public testing::Test {
     preferences->SetBoolean(prefs::kSafeBrowsingEnabled, enabled);
   }
 
-  ProfileSyncService* GetProfileSyncService() {
+  browser_sync::ProfileSyncService* GetProfileSyncService() {
     return ProfileSyncServiceFactory::GetForProfile(profile());
   }