Simplify tracing of gpu memory

gpu/command_buffer/service/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/buffer_manager.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 #include "gpu/command_buffer/service/memory_tracking.h"
 
 namespace gpu {
 namespace gles2 {
 
 BufferManager::BufferManager(MemoryTracker* memory_tracker)
-    : buffer_memory_tracker_(new MemoryTypeTracker(
-        memory_tracker,
-        "BufferManager",
-        "BufferMemory")),
+    : buffer_memory_tracker_(new MemoryTypeTracker(memory_tracker)),
       allow_buffers_on_multiple_targets_(false),
       mem_represented_(0),
       buffer_info_count_(0),
       have_context_(true) {
   UpdateMemRepresented();
 }
 
 BufferManager::~BufferManager() {
   DCHECK(buffer_infos_.empty());
   CHECK_EQ(buffer_info_count_, 0u);
@@ skipping 207 matching lines @@
   if (info->target() == 0) {
     info->set_target(target);
   }
   return true;
 }
 
 }  // namespace gles2
 }  // namespace gpu