chrome/browser/metrics/gpu_metrics_provider.h

   1 // Copyright 2014 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_GPU_METRICS_PROVIDER_H_
   6 #define CHROME_BROWSER_METRICS_GPU_METRICS_PROVIDER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "components/metrics/metrics_provider.h"
  10 #include "ui/gfx/size.h"
  11
  12 // GPUMetricsProvider provides GPU-related metrics.
  13 class GPUMetricsProvider : public metrics::MetricsProvider {
  14  public:
  15   GPUMetricsProvider();
  16   virtual ~GPUMetricsProvider();
  17
  18   // metrics::MetricsProvider:
  19   virtual void ProvideSystemProfileMetrics(
  20       metrics::SystemProfileProto* system_profile_proto) OVERRIDE;
  21
  22  protected:
  23   // Exposed for the sake of mocking in test code.
  24
  25   // Returns the screen size for the primary monitor.
  26   virtual gfx::Size GetScreenSize() const;
  27
  28   // Returns the device scale factor for the primary monitor.
  29   virtual float GetScreenDeviceScaleFactor() const;
  30
  31   // Returns the number of monitors the user is using.
  32   virtual int GetScreenCount() const;
  33
  34  private:
  35   DISALLOW_COPY_AND_ASSIGN(GPUMetricsProvider);
  36 };
  37
  38 #endif  // CHROME_BROWSER_METRICS_GPU_METRICS_PROVIDER_H_