Remove GPU memory UMAs

content/browser/gpu/gpu_process_host.h

Index: content/browser/gpu/gpu_process_host.h
diff --git a/content/browser/gpu/gpu_process_host.h b/content/browser/gpu/gpu_process_host.h
index 41fc7fac73b91e0a6cf33f75d6c8c1123b297d8e..9d6ee093a394dc60d6bb1bec7b7e926be02d6909 100644
--- a/content/browser/gpu/gpu_process_host.h
+++ b/content/browser/gpu/gpu_process_host.h
@@ -25,7 +25,6 @@
 #include "content/public/browser/gpu_data_manager.h"
 #include "gpu/command_buffer/common/constants.h"
 #include "gpu/config/gpu_info.h"
-#include "gpu/ipc/common/gpu_memory_uma_stats.h"
 #include "gpu/ipc/common/surface_handle.h"
 #include "ipc/ipc_sender.h"
 #include "ipc/message_filter.h"
@@ -196,7 +195,6 @@ class GpuProcessHost : public BrowserChildProcessHostDelegate,
                         gpu::error::ContextLostReason reason,
                         const GURL& url);
   void OnDidDestroyOffscreenContext(const GURL& url);
-  void OnGpuMemoryUmaStatsReceived(const gpu::GPUMemoryUmaStats& stats);
   void OnFieldTrialActivated(const std::string& trial_name);
 
 #if defined(OS_WIN)
@@ -284,10 +282,6 @@ class GpuProcessHost : public BrowserChildProcessHostDelegate,
   // automatic execution of 3D content from those domains.
   std::multiset<GURL> urls_with_live_offscreen_contexts_;
 
-  // Statics kept around to send to UMA histograms on GPU process lost.
-  bool uma_memory_stats_received_;
-  gpu::GPUMemoryUmaStats uma_memory_stats_;
-
   typedef std::map<int32_t, scoped_refptr<ShaderDiskCache>>
       ClientIdToShaderCacheMap;
   ClientIdToShaderCacheMap client_id_to_shader_cache_;