Added GL_CHROMIUM_trace_marker feature as well as gpu_toplevel markers.

gpu/blink/webgraphicscontext3d_impl.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/blink/webgraphicscontext3d_impl.h"
 
 #include "base/atomicops.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "gpu/GLES2/gl2extchromium.h"
@@ skipping 867 matching lines @@
                  WGC3Denum,
                  WGC3Denum);
 DELEGATE_TO_GL_1(populateSubscribedValuesCHROMIUM,
                  PopulateSubscribedValuesCHROMIUM,
                  WGC3Denum);
 DELEGATE_TO_GL_3(uniformValuebufferCHROMIUM,
                  UniformValuebufferCHROMIUM,
                  WGC3Dint,
                  WGC3Denum,
                  WGC3Denum);
+DELEGATE_TO_GL_2(traceBeginCHROMIUM,
+                 TraceBeginCHROMIUM,
+                 const WGC3Dchar*,
+                 const WGC3Dchar*);
+DELEGATE_TO_GL(traceEndCHROMIUM, TraceEndCHROMIUM);
 
 void WebGraphicsContext3DImpl::insertEventMarkerEXT(
     const WGC3Dchar* marker) {
   gl_->InsertEventMarkerEXT(0, marker);
 }
 
 void WebGraphicsContext3DImpl::pushGroupMarkerEXT(
     const WGC3Dchar* marker) {
   gl_->PushGroupMarkerEXT(0, marker);
 }
@@ skipping 123 matching lines @@
   output_attribs->depth_size = attributes.depth ? 24 : 0;
   output_attribs->stencil_size = attributes.stencil ? 8 : 0;
   output_attribs->samples = attributes.antialias ? 4 : 0;
   output_attribs->sample_buffers = attributes.antialias ? 1 : 0;
   output_attribs->fail_if_major_perf_caveat =
       attributes.failIfMajorPerformanceCaveat;
   output_attribs->bind_generates_resource = false;
 }
 
 }  // namespace gpu_blink