chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_METRICS_CHROME_BROWSER_MAIN_EXTRA_PARTS_METRICS_H_
   6 #define CHROME_BROWSER_METRICS_CHROME_BROWSER_MAIN_EXTRA_PARTS_METRICS_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "chrome/browser/chrome_browser_main_extra_parts.h"
  12
  13 class ChromeBrowserMainParts;
  14 class ChromeBrowserMetricsServiceObserver;
  15
  16 namespace chrome {
  17 void AddMetricsExtraParts(ChromeBrowserMainParts* main_parts);
  18 }
  19
  20 class ChromeBrowserMainExtraPartsMetrics : public ChromeBrowserMainExtraParts {
  21  public:
  22   ChromeBrowserMainExtraPartsMetrics();
  23   virtual ~ChromeBrowserMainExtraPartsMetrics();
  24
  25   // Overridden from ChromeBrowserMainExtraParts:
  26   virtual void PreProfileInit() OVERRIDE;
  27   virtual void PreBrowserStart() OVERRIDE;
  28   virtual void PostBrowserStart() OVERRIDE;
  29
  30  private:
  31   // Observe and log histograms on new metric logs.
  32   scoped_ptr<ChromeBrowserMetricsServiceObserver> metrics_service_observer_;
  33
  34   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserMainExtraPartsMetrics);
  35 };
  36
  37 #endif  // CHROME_BROWSER_METRICS_CHROME_BROWSER_MAIN_EXTRA_PARTS_METRICS_H_