Extend VideoCaptureDevice::Client::OnError() to have a tracked_objects::Location param.

media/capture/video/win/video_capture_device_win.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.
 
 // Windows specific implementation of VideoCaptureDevice. DirectShow is used for
 // capturing. DirectShow provide its own threads for capturing.
 
 #ifndef MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_WIN_H_
 #define MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_WIN_H_
 
 // Avoid including strsafe.h via dshow as it will cause build warnings.
 #define NO_DSHOW_STRSAFE
 #include <dshow.h>
 
 #include <map>
 #include <string>
 
 #include "base/threading/thread_checker.h"
 #include "base/win/scoped_comptr.h"
 #include "media/base/video_capture_types.h"
 #include "media/capture/video/video_capture_device.h"
 #include "media/capture/video/win/capability_list_win.h"
 #include "media/capture/video/win/sink_filter_win.h"
 #include "media/capture/video/win/sink_input_pin_win.h"
 
+namespace tracked_objects {
+class Location;
+}  // namespace tracked_objects
+
 namespace media {
 
 // All the methods in the class can only be run on a COM initialized thread.
 class VideoCaptureDeviceWin : public VideoCaptureDevice,
                               public SinkFilterObserver {
  public:
   // A utility class that wraps the AM_MEDIA_TYPE type and guarantees that
   // we free the structure when exiting the scope.  DCHECKing is also done to
   // avoid memory leaks.
   class ScopedMediaType {
@@ skipping 39 matching lines @@
     kError       // Error accessing HW functions.
                  // User needs to recover by destroying the object.
   };
 
   // Implements SinkFilterObserver.
   void FrameReceived(const uint8* buffer, int length,
                      base::TimeTicks timestamp) override;
 
   bool CreateCapabilityMap();
   void SetAntiFlickerInCaptureFilter(const VideoCaptureParams& params);
-  void SetErrorState(const std::string& reason);
+  void SetErrorState(const tracked_objects::Location& from_here,
+                     const std::string& reason);
 
   const Name device_name_;
   InternalState state_;
   scoped_ptr<VideoCaptureDevice::Client> client_;
 
   base::win::ScopedComPtr<IBaseFilter> capture_filter_;
 
   base::win::ScopedComPtr<IGraphBuilder> graph_builder_;
   base::win::ScopedComPtr<ICaptureGraphBuilder2> capture_graph_builder_;
 
   base::win::ScopedComPtr<IMediaControl> media_control_;
   base::win::ScopedComPtr<IPin> input_sink_pin_;
   base::win::ScopedComPtr<IPin> output_capture_pin_;
 
   scoped_refptr<SinkFilter> sink_filter_;
 
   // Map of all capabilities this device support.
   CapabilityList capabilities_;
   VideoCaptureFormat capture_format_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceWin);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_WIN_H_