Expose EXT_debug_marker to webkit

webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc

Index: webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc
diff --git a/webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc b/webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc
index 291ecb4be717b30c4f16785017808c7eeec2620e..e766332a6c18d3cf299f28d8cbf0d311c9aa3947 100644
--- a/webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc
+++ b/webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc
@@ -1625,6 +1625,18 @@ DELEGATE_TO_GL_3(getQueryObjectuivEXT, GetQueryObjectuivEXT,
 DELEGATE_TO_GL_5(copyTextureCHROMIUM, CopyTextureCHROMIUM, WGC3Denum, WGC3Duint,
                  WGC3Duint, WGC3Dint, WGC3Denum)
 
+void WebGraphicsContext3DInProcessCommandBufferImpl::insertEventMarkerEXT(
+    const WGC3Dchar* marker) {
+  gl_->InsertEventMarkerEXT(0, marker);
+}
+
+void WebGraphicsContext3DInProcessCommandBufferImpl::pushGroupMarkerEXT(
+    const WGC3Dchar* marker) {
+  gl_->PushGroupMarkerEXT(0, marker);
+}
+
+DELEGATE_TO_GL(popGroupMarkerEXT, PopGroupMarkerEXT);
+
 GrGLInterface* WebGraphicsContext3DInProcessCommandBufferImpl::
     onCreateGrGLInterface() {
   return webkit_glue::CreateCommandBufferSkiaGLBinding();