Simplify tracing of gpu memory

gpu/command_buffer/service/renderbuffer_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/renderbuffer_manager.h"
 #include "base/logging.h"
 #include "base/debug/trace_event.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 {
 
 RenderbufferManager::RenderbufferManager(
     MemoryTracker* memory_tracker,
     GLint max_renderbuffer_size,
     GLint max_samples)
-    : renderbuffer_memory_tracker_(new MemoryTypeTracker(
-        memory_tracker,
-        "RenderbufferManager",
-        "RenderbufferMemory")),
+    : renderbuffer_memory_tracker_(new MemoryTypeTracker(memory_tracker)),
       max_renderbuffer_size_(max_renderbuffer_size),
       max_samples_(max_samples),
       num_uncleared_renderbuffers_(0),
       mem_represented_(0),
       renderbuffer_info_count_(0),
       have_context_(true) {
   UpdateMemRepresented();
 }
 
 RenderbufferManager::~RenderbufferManager() {
@@ skipping 107 matching lines @@
       return true;
     }
   }
   return false;
 }
 
 }  // namespace gles2
 }  // namespace gpu