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

gpu/command_buffer/client/gles2_trace_implementation_impl_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 1594 matching lines @@
   TRACE_EVENT_BINARY_EFFICIENT0("gpu", "GLES2Trace::BindTexImage2DCHROMIUM");
   gl_->BindTexImage2DCHROMIUM(target, imageId);
 }
 
 void GLES2TraceImplementation::ReleaseTexImage2DCHROMIUM(GLenum target,
                                                          GLint imageId) {
   TRACE_EVENT_BINARY_EFFICIENT0("gpu", "GLES2Trace::ReleaseTexImage2DCHROMIUM");
   gl_->ReleaseTexImage2DCHROMIUM(target, imageId);
 }
 
-void GLES2TraceImplementation::TraceBeginCHROMIUM(const char* name) {
+void GLES2TraceImplementation::TraceBeginCHROMIUM(const char* category_name,
+                                                  const char* trace_name) {
   TRACE_EVENT_BINARY_EFFICIENT0("gpu", "GLES2Trace::TraceBeginCHROMIUM");
-  gl_->TraceBeginCHROMIUM(name);
+  gl_->TraceBeginCHROMIUM(category_name, trace_name);
 }
 
 void GLES2TraceImplementation::TraceEndCHROMIUM() {
   TRACE_EVENT_BINARY_EFFICIENT0("gpu", "GLES2Trace::TraceEndCHROMIUM");
   gl_->TraceEndCHROMIUM();
 }
 
 void GLES2TraceImplementation::AsyncTexSubImage2DCHROMIUM(GLenum target,
                                                           GLint level,
                                                           GLint xoffset,
@@ skipping 100 matching lines @@
                                 "GLES2Trace::MatrixLoadIdentityCHROMIUM");
   gl_->MatrixLoadIdentityCHROMIUM(matrixMode);
 }
 
 void GLES2TraceImplementation::BlendBarrierKHR() {
   TRACE_EVENT_BINARY_EFFICIENT0("gpu", "GLES2Trace::BlendBarrierKHR");
   gl_->BlendBarrierKHR();
 }
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_TRACE_IMPLEMENTATION_IMPL_AUTOGEN_H_