Simplify tracing of gpu memory

gpu/command_buffer/service/transfer_buffer_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 "gpu/command_buffer/service/transfer_buffer_manager.h"
 
 #include <limits>
 
 #include "base/process_util.h"
 #include "base/debug/trace_event.h"
@@ skipping 62 matching lines @@
 
   // If it could be mapped, allocate an ID and register the shared memory with
   // that ID.
   Buffer buffer;
   buffer.ptr = duped_shared_memory->memory();
   buffer.size = size;
   buffer.shared_memory = duped_shared_memory.release();
 
   shared_memory_bytes_allocated_ += size;
   TRACE_COUNTER_ID1(
-      "CommandBuffer", "SharedMemory", this, shared_memory_bytes_allocated_);
+      "gpu", "GpuTransferBufferMemory", this, shared_memory_bytes_allocated_);
 
   // If caller requested specific id, first try to use id_request.
   if (id_request != -1) {
     int32 cur_size = static_cast<int32>(registered_objects_.size());
     if (cur_size <= id_request) {
       // Pad registered_objects_ to reach id_request.
       registered_objects_.resize(static_cast<size_t>(id_request + 1));
       for (int32 id = cur_size; id < id_request; ++id)
         unused_registered_object_elements_.insert(id);
       registered_objects_[id_request] = buffer;
@@ skipping 52 matching lines @@
     return Buffer();
 
   if (static_cast<size_t>(handle) >= registered_objects_.size())
     return Buffer();
 
   return registered_objects_[handle];
 }
 
 }  // namespace gpu