Remove DisplayCount from GpuDataManagerImpl.

content/browser/gpu/gpu_data_manager_impl.h

 // Copyright (c) 2013 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 CONTENT_BROWSER_GPU_GPU_DATA_MANAGER_IMPL_H_
 #define CONTENT_BROWSER_GPU_GPU_DATA_MANAGER_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 157 matching lines @@
   void DisableDomainBlockingFor3DAPIsForTesting();
 
   void Notify3DAPIBlocked(const GURL& top_origin_url,
                           int render_process_id,
                           int render_frame_id,
                           ThreeDAPIType requester);
 
   // Get number of features being blacklisted.
   size_t GetBlacklistedFeatureCount() const;
 
-  void SetDisplayCount(unsigned int display_count);
-  unsigned int GetDisplayCount() const;
-
   // Set the active gpu.
   // Return true if it's a different GPU from the previous active one.
   bool UpdateActiveGpu(uint32_t vendor_id, uint32_t device_id);
 
   // Called when GPU process initialization failed.
   void OnGpuProcessInitFailure();
 
   bool IsDriverBugWorkaroundActive(int feature) const;
 
  private:
@@ skipping 30 matching lines @@
 
   mutable base::Lock lock_;
   scoped_ptr<GpuDataManagerImplPrivate> private_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuDataManagerImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_GPU_DATA_MANAGER_IMPL_H_