Dynamic updating recent menu for tabs from other devices.

components/browser_sync/profile_sync_service_mock.cc

Index: components/browser_sync/profile_sync_service_mock.cc
diff --git a/components/browser_sync/profile_sync_service_mock.cc b/components/browser_sync/profile_sync_service_mock.cc
index d2dd85c1d218629736bb716d5f2f347b84569a24..8654942d327c88509ad3a41c6a8b6cdbc525b8ac 100644
--- a/components/browser_sync/profile_sync_service_mock.cc
+++ b/components/browser_sync/profile_sync_service_mock.cc
@@ -18,4 +18,13 @@ ProfileSyncServiceMock::ProfileSyncServiceMock(InitParams* init_params)
 
 ProfileSyncServiceMock::~ProfileSyncServiceMock() {}
 
+sync_sessions::OpenTabsUIDelegate*
+ProfileSyncServiceMock::GetOpenTabsUIDelegate() {
+  // If delegate is not mocked then we use usual one

[Peter Kasting, 2017/03/23 04:48:35]

Nit: Remove this comment, it adds nothing to the code.

+  sync_sessions::OpenTabsUIDelegate* tabs = GetOpenTabsUIDelegateMock();

[Peter Kasting, 2017/03/23 04:48:35]

Nit: Call this |mock| or |delegate| or |mock_delegate| rather than |tabs|.

+  if (!tabs)
+    return ProfileSyncService::GetOpenTabsUIDelegate();
+  return tabs;

[Peter Kasting, 2017/03/23 04:48:35]

Nit: Simpler:

  return tabs ? tabs : ProfileSyncService::GetOpenTabsUIDelegate();

+}
+
 }  // namespace browser_sync