Changed the GPU Tracer so the category names can be customized.

gpu/command_buffer/client/gles2_cmd_helper_autogen.h

 // Copyright 2014 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.
 
 // This file is auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 1966 matching lines @@
 }
 
 void ReleaseTexImage2DCHROMIUM(GLenum target, GLint imageId) {
   gles2::cmds::ReleaseTexImage2DCHROMIUM* c =
       GetCmdSpace<gles2::cmds::ReleaseTexImage2DCHROMIUM>();
   if (c) {
     c->Init(target, imageId);
   }
 }
 
-void TraceBeginCHROMIUM(GLuint bucket_id) {
+void TraceBeginCHROMIUM(GLuint category_bucket_id, GLuint name_bucket_id) {
   gles2::cmds::TraceBeginCHROMIUM* c =
       GetCmdSpace<gles2::cmds::TraceBeginCHROMIUM>();
   if (c) {
-    c->Init(bucket_id);
+    c->Init(category_bucket_id, name_bucket_id);
   }
 }
 
 void TraceEndCHROMIUM() {
   gles2::cmds::TraceEndCHROMIUM* c =
       GetCmdSpace<gles2::cmds::TraceEndCHROMIUM>();
   if (c) {
     c->Init();
   }
 }
@@ skipping 144 matching lines @@
 }
 
 void BlendBarrierKHR() {
   gles2::cmds::BlendBarrierKHR* c = GetCmdSpace<gles2::cmds::BlendBarrierKHR>();
   if (c) {
     c->Init();
   }
 }
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_CMD_HELPER_AUTOGEN_H_