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 COMPONENTS_METRICS_GPU_GPU_METRICS_PROVIDER_H_ 6 #define COMPONENTS_METRICS_GPU_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 namespace metrics { 13 14 // GPUMetricsProvider provides GPU-related metrics. 15 class GPUMetricsProvider : public MetricsProvider { 16 public: 17 GPUMetricsProvider(); 18 virtual ~GPUMetricsProvider(); 19 20 // MetricsProvider: 21 virtual void ProvideSystemProfileMetrics( 22 SystemProfileProto* system_profile_proto) OVERRIDE; 23 24 protected: 25 // Exposed for the sake of mocking in test code. 26 27 // Returns the screen size for the primary monitor. 28 virtual gfx::Size GetScreenSize() const; 29 30 // Returns the device scale factor for the primary monitor. 31 virtual float GetScreenDeviceScaleFactor() const; 32 33 // Returns the number of monitors the user is using. 34 virtual int GetScreenCount() const; 35 36 private: 37 DISALLOW_COPY_AND_ASSIGN(GPUMetricsProvider); 38 }; 39 40 } // namespace metrics 41 42 #endif // COMPONENTS_METRICS_GPU_GPU_METRICS_PROVIDER_H_ 43