command_buffer: Implement CHROMIUM_framebuffer_mixed_samples extension

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 36746467f309334eda1183a7beef4f51c3bf16c5..32d9cf5e50bc2202036087c17cfe727f71c306d2 100644
--- a/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
+++ b/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
@@ -2471,6 +2471,12 @@ void GLES2TraceImplementation::ProgramPathFragmentInputGenCHROMIUM(
                                            components, coeffs);
 }
 
+void GLES2TraceImplementation::CoverageModulationCHROMIUM(GLenum components) {
+  TRACE_EVENT_BINARY_EFFICIENT0("gpu",
+                                "GLES2Trace::CoverageModulationCHROMIUM");
+  gl_->CoverageModulationCHROMIUM(components);
+}
+
 GLenum GLES2TraceImplementation::GetGraphicsResetStatusKHR() {
   TRACE_EVENT_BINARY_EFFICIENT0("gpu", "GLES2Trace::GetGraphicsResetStatusKHR");
   return gl_->GetGraphicsResetStatusKHR();