Add IPC to query capabilities of video input devices.

content/renderer/media/user_media_client_impl_unittest.cc

 // Copyright (c) 2012 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 "content/renderer/media/user_media_client_impl.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <utility>
@@ skipping 108 matching lines @@
     }
     callback.Run(result);
   }
 
   MOCK_METHOD3(SubscribeDeviceChangeNotifications,
                void(MediaDeviceType type,
                     uint32_t subscription_id,
                     const url::Origin& security_origin));
   MOCK_METHOD2(UnsubscribeDeviceChangeNotifications,
                void(MediaDeviceType type, uint32_t subscription_id));
+  MOCK_METHOD2(GetVideoInputCapabilities,
+               void(const url::Origin& security_origin,
+                    const GetVideoInputCapabilitiesCallback& client_callback));
 };
 
 class UserMediaClientImplUnderTest : public UserMediaClientImpl {
  public:
   enum RequestState {
     REQUEST_NOT_STARTED,
     REQUEST_NOT_COMPLETE,
     REQUEST_SUCCEEDED,
     REQUEST_FAILED,
   };
@@ skipping 751 matching lines @@
   blink::WebMediaConstraints audio_constraints = CreateDeviceConstraints(
       nullptr, kInvalidDeviceId, kInvalidDeviceId, kFakeAudioInputDeviceId1);
   blink::WebMediaConstraints video_constraints = CreateDeviceConstraints(
       nullptr, kInvalidDeviceId, kInvalidDeviceId, kFakeVideoInputDeviceId1);
   TestValidRequestWithDeviceConstraints(audio_constraints, video_constraints,
                                         kFakeAudioInputDeviceId1,
                                         kFakeVideoInputDeviceId1);
 }
 
 }  // namespace content