Replace manual conversions with Mojo type mappings

services/video_capture/fake_device_unittest.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 "base/memory/ref_counted.h"
 #include "base/run_loop.h"
 #include "media/base/video_frame.h"
 #include "media/mojo/common/media_type_converters.h"
 #include "services/video_capture/fake_device_test.h"
 #include "services/video_capture/mock_video_frame_receiver.h"
@@ skipping 59 matching lines @@
             frame_info.is_mappable = video_frame->IsMappable();
             frame_info.size = video_frame->natural_size();
             frame_info.timestamp = video_frame->timestamp();
             received_frame_count += 1;
             if (received_frame_count == num_frames_to_receive) {
               wait_loop.Quit();
             }
           }));
 
   fake_device_proxy_->Start(
-      requestable_settings_.Clone(), std::move(receiver_proxy));
+      requestable_settings_, std::move(receiver_proxy));
 
   wait_loop.Run();
 
   base::TimeDelta previous_timestamp;
   for (int i = 0; i < num_frames_to_receive; i++) {
     auto& frame_info = received_frame_infos[i];
     // Service is expected to always output I420
     ASSERT_EQ(media::PIXEL_FORMAT_I420, frame_info.pixel_format);
     // Service is expected to always use STORAGE_MOJO_SHARED_BUFFER
     ASSERT_EQ(media::VideoFrame::STORAGE_MOJO_SHARED_BUFFER,
               frame_info.storage_type);
     ASSERT_TRUE(frame_info.is_mappable);
-    ASSERT_EQ(requestable_settings_->format->frame_size,
+    ASSERT_EQ(requestable_settings_.requested_format.frame_size,
               frame_info.size);
     // Timestamps are expected to increase
     if (i > 0) {
       ASSERT_GT(frame_info.timestamp, previous_timestamp);
     }
     previous_timestamp = frame_info.timestamp;
   }
 }
 
 }  // namespace video_capture