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

content/browser/renderer_host/media/video_capture_controller_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.
 
 // Unit test for VideoCaptureController.
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 576 matching lines @@
 
   media::VideoCaptureParams session_200 = session_100;
 
   const gfx::Size capture_resolution(320, 240);
 
   const VideoCaptureControllerID route_id(0x99);
 
   // Start with one client.
   controller_->AddClient(
       route_id, client_a_.get(), base::kNullProcessHandle, 100, session_100);
-  device_->OnError("Test Error");
+  device_->OnError(FROM_HERE,  "Test Error");
   EXPECT_CALL(*client_a_, DoError(route_id)).Times(1);
   base::RunLoop().RunUntilIdle();
   Mock::VerifyAndClearExpectations(client_a_.get());
 
   // Second client connects after the error state. It also should get told of
   // the error.
   EXPECT_CALL(*client_b_, DoError(route_id)).Times(1);
   controller_->AddClient(
       route_id, client_b_.get(), base::kNullProcessHandle, 200, session_200);
   base::RunLoop().RunUntilIdle();
@@ skipping 36 matching lines @@
   Mock::VerifyAndClearExpectations(client_a_.get());
 
   const gfx::Size dims(320, 240);
   scoped_ptr<media::VideoCaptureDevice::Client::Buffer> buffer(
       device_->ReserveOutputBuffer(dims, media::PIXEL_FORMAT_I420,
                                    media::PIXEL_STORAGE_CPU));
   ASSERT_TRUE(buffer.get());
 
   scoped_refptr<media::VideoFrame> video_frame =
       WrapI420Buffer(dims, static_cast<uint8*>(buffer->data()));
-  device_->OnError("Test Error");
+  device_->OnError(FROM_HERE, "Test Error");
   device_->OnIncomingCapturedVideoFrame(buffer.Pass(), video_frame,
                                         base::TimeTicks());
 
   EXPECT_CALL(*client_a_, DoError(route_id)).Times(1);
   base::RunLoop().RunUntilIdle();
   Mock::VerifyAndClearExpectations(client_a_.get());
 
   // Second client connects after the error state. It also should get told of
   // the error.
   EXPECT_CALL(*client_b_, DoError(route_id)).Times(1);
   controller_->AddClient(
       route_id, client_b_.get(), base::kNullProcessHandle, 200, session_200);
   Mock::VerifyAndClearExpectations(client_b_.get());
 }
 
 }  // namespace content