Almost done: ApplicationDelegate -> ApplicationImplBase conversion.

mojo/services/gfx/composition/cpp/frame_tracker_apptest.cc

 // Copyright 2016 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 "mojo/services/gfx/composition/cpp/frame_tracker.h"
 
-#include "mojo/public/cpp/application/application_impl.h"
 #include "mojo/public/cpp/application/application_test_base.h"
 #include "mojo/public/cpp/system/macros.h"
 
 namespace test {
 
 class FrameTrackerTest : public mojo::test::ApplicationTestBase {
  public:
   FrameTrackerTest() {}
   ~FrameTrackerTest() override {}
 
@@ skipping 159 matching lines @@
   EXPECT_EQ(10u, Update(22, 10u, 26, 27, 22));
   EXPECT_EQ(2u, frame_tracker_.frame_count());
   EXPECT_EQ(22, frame_tracker_.frame_info().frame_time);
   EXPECT_EQ(10u, frame_tracker_.frame_info().frame_interval);
   EXPECT_EQ(26, frame_tracker_.frame_info().frame_deadline);
   EXPECT_EQ(28, frame_tracker_.frame_info().presentation_time);
 }
 
 }  // namespace
 }  // namespace mojo