Allow switching DirectCompositionSurfaceWin between drawing modes.

gpu/command_buffer/client/gles2_implementation_impl_autogen.h

Index: gpu/command_buffer/client/gles2_implementation_impl_autogen.h
diff --git a/gpu/command_buffer/client/gles2_implementation_impl_autogen.h b/gpu/command_buffer/client/gles2_implementation_impl_autogen.h
index 73a9676e2eaf9503ace7c82b9552677701883d9d..562b12f437f443a6c5ed068e0f21d9de33e2c423 100644
--- a/gpu/command_buffer/client/gles2_implementation_impl_autogen.h
+++ b/gpu/command_buffer/client/gles2_implementation_impl_autogen.h
@@ -3524,4 +3524,12 @@ void GLES2Implementation::SetDrawRectangleCHROMIUM(GLint x,
   CheckGLError();
 }
 
+void GLES2Implementation::SetEnableDCLayersCHROMIUM(GLboolean enabled) {
+  GPU_CLIENT_SINGLE_THREAD_CHECK();
+  GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glSetEnableDCLayersCHROMIUM("
+                     << GLES2Util::GetStringBool(enabled) << ")");
+  helper_->SetEnableDCLayersCHROMIUM(enabled);
+  CheckGLError();
+}
+
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_IMPL_AUTOGEN_H_