Cleanup GpuMemoryManager and helpers.

content/browser/gpu/gpu_process_host.cc

 // Copyright (c) 2012 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.
 
 #include "content/browser/gpu/gpu_process_host.h"
 
 #include "base/base64.h"
 #include "base/base_switches.h"
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 452 matching lines @@
   // GPU process exits, assume something went wrong, and block their
   // URLs from accessing client 3D APIs without prompting.
   BlockLiveOffscreenContexts();
 
   UMA_HISTOGRAM_COUNTS_100("GPU.AtExitSurfaceCount",
                            GpuSurfaceTracker::Get()->GetSurfaceCount());
   UMA_HISTOGRAM_BOOLEAN("GPU.AtExitReceivedMemoryStats",
                         uma_memory_stats_received_);
 
   if (uma_memory_stats_received_) {
-    UMA_HISTOGRAM_COUNTS_100("GPU.AtExitManagedMemoryClientCount",
-                             uma_memory_stats_.client_count);
     UMA_HISTOGRAM_COUNTS_100("GPU.AtExitContextGroupCount",
                              uma_memory_stats_.context_group_count);
     UMA_HISTOGRAM_CUSTOM_COUNTS(
         "GPU.AtExitMBytesAllocated",
         uma_memory_stats_.bytes_allocated_current / 1024 / 1024, 1, 2000, 50);
     UMA_HISTOGRAM_CUSTOM_COUNTS(
         "GPU.AtExitMBytesAllocatedMax",
         uma_memory_stats_.bytes_allocated_max / 1024 / 1024, 1, 2000, 50);
     UMA_HISTOGRAM_CUSTOM_COUNTS(
         "GPU.AtExitMBytesLimit",
@@ skipping 688 matching lines @@
   TRACE_EVENT0("gpu", "GpuProcessHost::OnCacheShader");
   ClientIdToShaderCacheMap::iterator iter =
       client_id_to_shader_cache_.find(client_id);
   // If the cache doesn't exist then this is an off the record profile.
   if (iter == client_id_to_shader_cache_.end())
     return;
   iter->second->Cache(GetShaderPrefixKey() + ":" + key, shader);
 }
 
 }  // namespace content