Hookup the GPUTrace events.

gpu/command_buffer/client/gles2_implementation.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.
 
 // A class to emulate GLES2 over command buffers.
 
 #include "../client/gles2_implementation.h"
 
 #include <algorithm>
 #include <map>
@@ skipping 3252 matching lines @@
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glPopGroupMarkerEXT()");
   helper_->PopGroupMarkerEXT();
   debug_marker_manager_.PopGroup();
 }
 
 void GLES2Implementation::TraceBeginCHROMIUM(const char* name) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glTraceBeginCHROMIUM("
                  << name << ")");
-
+  if (current_trace_name_.get()) {
+    SetGLError(GL_INVALID_OPERATION, "glTraceBeginCHROMIUM",
+               "trace already running");
+    return;
+  }
+  TRACE_EVENT_COPY_ASYNC_BEGIN0("gpu", name, this);
   SetBucketAsCString(kResultBucketId, name);
   helper_->TraceBeginCHROMIUM(kResultBucketId);
   helper_->SetBucketSize(kResultBucketId, 0);
+  current_trace_name_.reset(new std::string(name));
+}
+
+void GLES2Implementation::TraceEndCHROMIUM() {
+  GPU_CLIENT_SINGLE_THREAD_CHECK();
+  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glTraceEndCHROMIUM(" << ")");
+  if (!current_trace_name_.get()) {
+    SetGLError(GL_INVALID_OPERATION, "glTraceEndCHROMIUM",
+               "missing begin trace");
+    return;
+  }
+  helper_->TraceEndCHROMIUM();
+  TRACE_EVENT_COPY_ASYNC_END0("gpu", current_trace_name_->c_str(), this);
+  current_trace_name_.reset();
 }
 
 void* GLES2Implementation::MapBufferCHROMIUM(GLuint target, GLenum access) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glMapBufferCHROMIUM("
       << target << ", " << GLES2Util::GetStringEnum(access) << ")");
   if (target != GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM) {
     SetGLError(
         GL_INVALID_ENUM, "glMapBufferCHROMIUM", "invalid target");
     return NULL;
@@ skipping 133 matching lines @@
   return;
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "../client/gles2_implementation_impl_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu