Simplify tracing of gpu memory

content/common/gpu/gpu_memory_manager.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/common/gpu/gpu_memory_manager.h"
 
 #if defined(ENABLE_GPU)
 
 #include <algorithm>
 
@@ skipping 131 matching lines @@
     DCHECK(bytes_allocated_current_ >= delta);
     bytes_allocated_current_ -= delta;
   } else {
     size_t delta = new_size - old_size;
     bytes_allocated_current_ += delta;
     if (bytes_allocated_current_ > bytes_allocated_historical_max_) {
       bytes_allocated_historical_max_ = bytes_allocated_current_;
     }
   }
   if (new_size != old_size) {
-    TRACE_COUNTER_ID1("GpuMemoryManager",
-                      "GpuMemoryUsage",
-                      this,
-                      bytes_allocated_current_);
+    TRACE_COUNTER1("gpu",
+                   "GpuMemoryUsage",
+                   bytes_allocated_current_);
   }
 }
 
 void GpuMemoryManager::AddTrackingGroup(
     GpuMemoryTrackingGroup* tracking_group) {
   tracking_groups_.insert(tracking_group);
 }
 
 void GpuMemoryManager::RemoveTrackingGroup(
     GpuMemoryTrackingGroup* tracking_group) {
@@ skipping 173 matching lines @@
       false);
 
   AssignMemoryAllocations(
       &stub_memory_stats_for_last_manage_,
       stubs_without_surface_hibernated,
       GpuMemoryAllocation(0, GpuMemoryAllocation::kHasNoBuffers),
       false);
 }
 
 #endif