Revert 67662 - FBTF: Remove unneeded headers from base/ (part 10)...

chrome_frame/chrome_frame_histograms.h

 // Copyright (c) 2009 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 CHROME_FRAME_CHROME_FRAME_HISTOGRAMS_H_
-#define CHROME_FRAME_CHROME_FRAME_HISTOGRAMS_H_
+#ifndef CHROME_FRAME_HISTOGRAM_SNAPSHOTS_H_
+#define CHROME_FRAME_HISTOGRAM_SNAPSHOTS_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/lock.h"
 #include "base/metrics/histogram.h"
 #include "base/process.h"
 #include "base/scoped_ptr.h"
+#include "base/task.h"
 
 // This class gathers histogram data in the host browser process and
 // serializes the data into a vector of strings to be uploaded to the
 // Chrome browser process. It records the histogram data which has been
 // logged and only uploads the delta with the next log.
 // TODO(iyengar)
 // This class does not contain any ChromeFrame specific stuff. It should
 // be moved to base.
 class ChromeFrameHistogramSnapshots {
  public:
@@ skipping 20 matching lines @@
   // For histograms, record what we've already logged (as a sample for each
   // histogram) so that we can send only the delta with the next log.
   LoggedSampleMap logged_samples_;
 
   // Synchronizes the histogram gathering operation.
   Lock lock_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeFrameHistogramSnapshots);
 };
 
-#endif  // CHROME_FRAME_CHROME_FRAME_HISTOGRAMS_H_
+#endif  // CHROME_RENDERER_HISTOGRAM_SNAPSHOTS_H_