Re-raster during scale animations for GPU-rasterized layers without text

cc/resources/picture.cc

Index: cc/resources/picture.cc
diff --git a/cc/resources/picture.cc b/cc/resources/picture.cc
index e206e8db5070b380a1bce6faa8d54a2037c39e98..5bfb77621b4d6d56542fcbbd88e2dd573b938ed7 100644
--- a/cc/resources/picture.cc
+++ b/cc/resources/picture.cc
@@ -217,6 +217,11 @@ bool Picture::IsSuitableForGpuRasterization() const {
   return picture_->suitableForGpuRasterization(NULL);
 }
 
+bool Picture::HasText() const {
+  DCHECK(picture_);
+  return picture_->hasText();
+}
+
 void Picture::CloneForDrawing(int num_threads) {
   TRACE_EVENT1("cc", "Picture::CloneForDrawing", "num_threads", num_threads);