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

media/capture/video/file_video_capture_device.cc

 // Copyright 2013 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/capture/video/file_video_capture_device.h"
 
 #include "base/bind.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
 #include "media/base/video_capture_types.h"
@@ skipping 315 matching lines @@
 void FileVideoCaptureDevice::OnAllocateAndStart(
     const VideoCaptureParams& params,
     scoped_ptr<VideoCaptureDevice::Client> client) {
   DCHECK_EQ(capture_thread_.message_loop(), base::MessageLoop::current());
 
   client_ = client.Pass();
 
   DCHECK(!file_parser_);
   file_parser_ = GetVideoFileParser(file_path_, &capture_format_);
   if (!file_parser_) {
-    client_->OnError("Could not open Video file");
+    client_->OnError(FROM_HERE, "Could not open Video file");
     return;
   }
 
   DVLOG(1) << "Opened video file " << capture_format_.frame_size.ToString()
            << ", fps: " << capture_format_.frame_rate;
 
   capture_thread_.message_loop()->PostTask(
       FROM_HERE, base::Bind(&FileVideoCaptureDevice::OnCaptureTask,
                             base::Unretained(this)));
 }
@@ skipping 30 matching lines @@
     if (next_frame_time_ < current_time)
       next_frame_time_ = current_time;
   }
   base::MessageLoop::current()->PostDelayedTask(
       FROM_HERE, base::Bind(&FileVideoCaptureDevice::OnCaptureTask,
                             base::Unretained(this)),
       next_frame_time_ - current_time);
 }
 
 }  // namespace media