Modify Chromoting logging to hook into base logging.

remoting/base/util.h

 // Copyright (c) 2011 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.
 
 #ifndef REMOTING_BASE_UTIL_H_
 #define REMOTING_BASE_UTIL_H_
 
 #include "media/base/video_frame.h"
 #include "ui/gfx/rect.h"
 
 namespace remoting {
 
+std::string GetTimestampString();
+
 // TODO(sergeyu): Move these methods to media.
 int GetBytesPerPixel(media::VideoFrame::Format format);
 
 // Convert YUV to RGB32 on a specific rectangle.
 void ConvertYUVToRGB32WithRect(const uint8* y_plane,
                                const uint8* u_plane,
                                const uint8* v_plane,
                                uint8* rgb_plane,
                                const gfx::Rect& rect,
                                int y_stride,
@@ skipping 37 matching lines @@
 void CopyRect(const uint8* src_plane,
               int src_plane_stride,
               uint8* dest_plane,
               int dest_plane_stride,
               int bytes_per_pixel,
               const gfx::Rect& rect);
 
 }  // namespace remoting
 
 #endif  // REMOTING_BASE_UTIL_H_