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_ 39