Add glClientWaitSync to GPU command buffer.

gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h

Index: gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
diff --git a/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h b/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
index 79fd529fba858dcee5c5484e2eac6bb7c8e22451..7e7b1c551f0cc0d052cec29e1940a40517ea0709 100644
--- a/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
+++ b/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
@@ -183,6 +183,13 @@ void GLES2TraceImplementation::ClearStencil(GLint s) {
   gl_->ClearStencil(s);
 }
 
+GLenum GLES2TraceImplementation::ClientWaitSync(GLsync sync,
+                                                GLbitfield flags,
+                                                GLuint64 timeout) {
+  TRACE_EVENT_BINARY_EFFICIENT0("gpu", "GLES2Trace::ClientWaitSync");
+  return gl_->ClientWaitSync(sync, flags, timeout);
+}
+
 void GLES2TraceImplementation::ColorMask(GLboolean red,
                                          GLboolean green,
                                          GLboolean blue,