Revert of Flush pending writes on Skia scratch textures used in Chromium

media/blink/skcanvas_video_renderer.cc

Index: media/blink/skcanvas_video_renderer.cc
diff --git a/media/blink/skcanvas_video_renderer.cc b/media/blink/skcanvas_video_renderer.cc
index 39335f77d3de603292829c5cd73373275165f5be..51168fb0886354cb87f62bf4055ec2a1f814c618 100644
--- a/media/blink/skcanvas_video_renderer.cc
+++ b/media/blink/skcanvas_video_renderer.cc
@@ -78,11 +78,6 @@
           desc, GrTextureProvider::kExact_ScratchTexMatch));
   if (!texture.get())
     return false;
-
-  // A recycled texture may have pending writes. Make sure they are flushed
-  // before the texture is handed over for subsequent operations done outside
-  // of Skia.
-  texture->flushWrites();
 
   SkImageInfo info = SkImageInfo::MakeN32Premul(desc.fWidth, desc.fHeight);
   SkGrPixelRef* pixel_ref = SkNEW_ARGS(SkGrPixelRef, (info, texture.get()));