GM: replace boilerplate with macros

I have verified locally that nothing draws differently.

Motivation:
*   SK_SIMPLE_GM makes it easier to write a GM.
*   Reducing 1100 lines of code makes maintenance easier.
*   Simple GMs are easy to convert to Fiddles.

Review URL: https://codereview.chromium.org/1333553002

1 files changed, 1 insertions, 1 deletions

diff --git a/gm/imagefromyuvtextures.cpp b/gm/imagefromyuvtextures.cpp
index faa3eefa7e..8c8ab24ad4 100644
--- a/gm/imagefromyuvtextures.cpp
+++ b/gm/imagefromyuvtextures.cpp
@@ -127,7 +127,7 @@ protected:
         GrRenderTarget* rt = canvas->internal_private_accessTopLayerRenderTarget();
         GrContext* context;
         if (!rt || !(context = rt->getContext())) {
-            this->drawGpuOnlyMessage(canvas);
+            skiagm::GM::DrawGpuOnlyMessage(canvas);
             return;
         }