Image Capture: fill in PhotoCapabilities.{height,width} in Linux/CrOs/Mac

media/capture/video/mac/video_capture_device_mac.h

 // 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.
 
 // MacOSX implementation of generic VideoCaptureDevice, using AVFoundation as
 // native capture API. AVFoundation is available in versions 10.7 (Lion) and
 // later.
 
 #ifndef MEDIA_CAPTURE_VIDEO_MAC_VIDEO_CAPTURE_DEVICE_MAC_H_
 #define MEDIA_CAPTURE_VIDEO_MAC_VIDEO_CAPTURE_DEVICE_MAC_H_
@@ skipping 46 matching lines @@
   explicit VideoCaptureDeviceMac(
       const VideoCaptureDeviceDescriptor& device_descriptor);
   ~VideoCaptureDeviceMac() override;
 
   // VideoCaptureDevice implementation.
   void AllocateAndStart(
       const VideoCaptureParams& params,
       std::unique_ptr<VideoCaptureDevice::Client> client) override;
   void StopAndDeAllocate() override;
   void TakePhoto(TakePhotoCallback callback) override;
+  void GetPhotoCapabilities(GetPhotoCapabilitiesCallback callback) override;
 
   bool Init(VideoCaptureApi capture_api_type);
 
   // Called to deliver captured video frames.  It's safe to call this method
   // from any thread, including those controlled by AVFoundation.
   void ReceiveFrame(const uint8_t* video_frame,
                     int video_frame_length,
                     const VideoCaptureFormat& frame_format,
                     int aspect_numerator,
                     int aspect_denominator,
@@ skipping 43 matching lines @@
   // VideoCaptureDeviceMac is destroyed.
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<VideoCaptureDeviceMac> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoCaptureDeviceMac);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_CAPTURE_VIDEO_MAC_VIDEO_CAPTURE_DEVICE_MAC_H_