implement getBufferSubDataAsync prototype

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 1126e26e4a1dc926162481c64cbbcf8d52be106d..2d08ece5315e12a129b4b7fe71a0ae953c5c474a 100644
--- a/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
+++ b/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
@@ -2425,6 +2425,14 @@ void GLES2TraceImplementation::ProgramPathFragmentInputGenCHROMIUM(
                                            components, coeffs);
 }
 
+void* GLES2TraceImplementation::GetBufferSubDataAsyncCHROMIUM(GLenum target,
+                                                              GLintptr offset,
+                                                              GLsizeiptr size) {
+  TRACE_EVENT_BINARY_EFFICIENT0("gpu",
+                                "GLES2Trace::GetBufferSubDataAsyncCHROMIUM");
+  return gl_->GetBufferSubDataAsyncCHROMIUM(target, offset, size);
+}
+
 void GLES2TraceImplementation::CoverageModulationCHROMIUM(GLenum components) {
   TRACE_EVENT_BINARY_EFFICIENT0("gpu",
                                 "GLES2Trace::CoverageModulationCHROMIUM");