Remove GPU memory UMAs

content/common/gpu_host_messages.h

 // Copyright 2016 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.
 
 // Multiply-included message file, hence no include guard here, but see below
 // for a much smaller-than-usual include guard section.
 
 #include "build/build_config.h"
 #include "content/common/content_export.h"
 #include "content/common/establish_channel_params.h"
 #include "gpu/command_buffer/common/sync_token.h"
 #include "gpu/command_buffer/service/gpu_preferences.h"
 #include "gpu/config/gpu_info.h"
 #include "gpu/ipc/common/gpu_command_buffer_traits.h"
-#include "gpu/ipc/common/gpu_memory_uma_stats.h"
 #include "gpu/ipc/common/gpu_param_traits.h"
 #include "gpu/ipc/common/memory_stats.h"
 #include "gpu/ipc/common/surface_handle.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_message_start.h"
 #include "ui/events/ipc/latency_info_param_traits.h"
 #include "ui/gfx/gpu_memory_buffer.h"
 #include "ui/gfx/ipc/gfx_param_traits.h"
 #include "ui/gfx/ipc/skia/gfx_skia_param_traits.h"
 #include "url/gurl.h"
 #include "url/ipc/url_param_traits.h"
 
 #undef IPC_MESSAGE_EXPORT
 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
 
 #define IPC_MESSAGE_START GpuMsgStart
 
 IPC_ENUM_TRAITS_VALIDATE(gpu::GpuPreferences::VpxDecodeVendors,
                          ((value >= gpu::GpuPreferences::VPX_VENDOR_NONE) &&
                           (value <= gpu::GpuPreferences::VPX_VENDOR_ALL)))
 
-IPC_STRUCT_TRAITS_BEGIN(gpu::GPUMemoryUmaStats)
-  IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_current)
-  IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_max)
-IPC_STRUCT_TRAITS_END()
-
 IPC_STRUCT_TRAITS_BEGIN(gpu::VideoMemoryUsageStats)
   IPC_STRUCT_TRAITS_MEMBER(process_map)
   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated)
-  IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_historical_max)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(gpu::VideoMemoryUsageStats::ProcessStats)
   IPC_STRUCT_TRAITS_MEMBER(video_memory)
   IPC_STRUCT_TRAITS_MEMBER(has_duplicates)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_BEGIN(GpuMsg_CreateGpuMemoryBuffer_Params)
   IPC_STRUCT_MEMBER(gfx::GpuMemoryBufferId, id)
   IPC_STRUCT_MEMBER(gfx::Size, size)
@@ skipping 170 matching lines @@
 
 IPC_MESSAGE_CONTROL1(GpuHostMsg_DidCreateOffscreenContext, GURL /* url */)
 
 IPC_MESSAGE_CONTROL3(GpuHostMsg_DidLoseContext,
                      bool /* offscreen */,
                      gpu::error::ContextLostReason /* reason */,
                      GURL /* url */)
 
 IPC_MESSAGE_CONTROL1(GpuHostMsg_DidDestroyOffscreenContext, GURL /* url */)
 
-// Tells the browser about GPU memory usage statistics for UMA logging.
-IPC_MESSAGE_CONTROL1(GpuHostMsg_GpuMemoryUmaStats,
-                     gpu::GPUMemoryUmaStats /* GPU memory UMA stats */)
-
 // Message from GPU to add a GPU log message to the about:gpu page.
 IPC_MESSAGE_CONTROL3(GpuHostMsg_OnLogMessage,
                      int /*severity*/,
                      std::string /* header */,
                      std::string /* message */)
 
 // Sent by the GPU process to indicate that a fields trial has been activated.
 IPC_MESSAGE_CONTROL1(GpuHostMsg_FieldTrialActivated, std::string /* name */)