Windows video capture: Remove duplicated code from GetDeviceSupportedFormats*

media/video/capture/win/video_capture_device_mf_win.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 "media/video/capture/win/video_capture_device_mf_win.h"
 
 #include <mfapi.h>
 #include <mferror.h>
 
 #include "base/memory/ref_counted.h"
@@ skipping 40 matching lines @@
       !GetFrameSize(type, &format->frame_size) ||
       !GetFrameRate(type, &format->frame_rate) ||
       !VideoCaptureDeviceMFWin::FormatFromGuid(type_guid,
                                                &format->pixel_format)) {
     return false;
   }
 
   return true;
 }
 
-HRESULT FillCapabilities(IMFSourceReader* source,
-                         CapabilityList* capabilities) {
+HRESULT VideoCaptureDeviceMFWin::FillCapabilities(
+    IMFSourceReader* source,
+    CapabilityList* capabilities) {
   DWORD stream_index = 0;
   ScopedComPtr<IMFMediaType> type;
   HRESULT hr;
   while (SUCCEEDED(hr = source->GetNativeMediaType(
                        kFirstVideoStream, stream_index, type.Receive()))) {
     VideoCaptureFormat format;
     if (FillFormat(type, &format))
       capabilities->emplace_back(stream_index, format);
     type.Release();
     ++stream_index;
@@ skipping 246 matching lines @@
 
 void VideoCaptureDeviceMFWin::OnError(HRESULT hr) {
   if (client_.get()) {
     client_->OnError(
         base::StringPrintf("VideoCaptureDeviceMFWin: %s",
                            logging::SystemErrorCodeToString(hr).c_str()));
   }
 }
 
 }  // namespace media