Sketch SkPictureRecorder::optimizeFor(GrContext*).

include/core/SkPictureRecorder.h

Index: include/core/SkPictureRecorder.h
diff --git a/include/core/SkPictureRecorder.h b/include/core/SkPictureRecorder.h
index 82efcf0e99be4b1c66849d7562cb354f2fee3fa9..f20a06adf44fa41d3e166f3b7fc2ac3677675006 100644
--- a/include/core/SkPictureRecorder.h
+++ b/include/core/SkPictureRecorder.h
@@ -19,6 +19,7 @@ namespace android {
 };
 #endif
 
+class GrContext;
 class SkCanvas;
 class SkDrawable;
 class SkPictureRecord;
@@ -111,6 +112,9 @@ public:
     SkPicture* SK_WARN_UNUSED_RESULT endRecording() { return this->endRecordingAsPicture(); }
 #endif
 
+    // Strawman API.
+    void optimizeFor(GrContext* ctx) { fGrContextToOptimizeFor = ctx; }
+
 private:
     void reset();
 
@@ -131,6 +135,8 @@ private:
     SkAutoTUnref<SkRecord>        fRecord;
     SkMiniRecorder                fMiniRecorder;
 
+    GrContext*                    fGrContextToOptimizeFor = nullptr;
+
     typedef SkNoncopyable INHERITED;
 };