take gr-context parameter to refEncoded, indicating a desire for only gpu-specific formats

Prime motivator:
- we always call refEncoded on the generator when trying to upload
   - we call it *before* we ask for raster or YUV
- for blink, this call can be very slow, as they have to cons-up their SkData the first time (and grab a mutex to do it)
- this parameter will indicate to them that we're only interested in gpu formats, which they will know if they have.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1556333004

Review URL: https://codereview.chromium.org/1556333004

1 files changed, 1 insertions, 1 deletions

diff --git a/src/ports/SkImageGenerator_skia.cpp b/src/ports/SkImageGenerator_skia.cpp
index afcd4b4a92..8dbad555dd 100644
--- a/src/ports/SkImageGenerator_skia.cpp
+++ b/src/ports/SkImageGenerator_skia.cpp
@@ -43,7 +43,7 @@ public:
     {}
 
 protected:
-    SkData* onRefEncodedData() override {
+    SkData* onRefEncodedData(SK_REFENCODEDDATA_CTXPARAM) override {
         return SkRef(fData.get());
     }
     bool onGetPixels(const SkImageInfo& info, void* pixels, size_t rowBytes,