Modify Chromoting logging to hook into base logging.

remoting/base/util.cc

Index: remoting/base/util.cc
diff --git a/remoting/base/util.cc b/remoting/base/util.cc
index 2e7d7df8d942bf2ac3974176c3e3eb02856b332a..8671eebf0c000d52dcdc7fbc52b353d46fa0b29e 100644
--- a/remoting/base/util.cc
+++ b/remoting/base/util.cc
@@ -2,16 +2,26 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "base/logging.h"
+#include "base/stringprintf.h"
+#include "base/time.h"
 #include "media/base/video_frame.h"
 #include "media/base/yuv_convert.h"
 #include "remoting/base/util.h"
 
-#include "base/logging.h"
-
 using media::VideoFrame;
 
 namespace remoting {
 
+std::string GetTimestampString() {
+  base::Time t = base::Time::NowFromSystemTime();
+  base::Time::Exploded tex;
+  t.LocalExplode(&tex);
+  return StringPrintf("%02d%02d/%02d%02d%02d:",
+                      tex.month, tex.day_of_month,
+                      tex.hour, tex.minute, tex.second);
+}
+
 int GetBytesPerPixel(VideoFrame::Format format) {
   // Note: The order is important here for performance. This is sorted from the
   // most common to the less common (PIXEL_FORMAT_ASCII is mostly used