Include mask texture size in RenderPassDrawQuad

cc/layers/picture_layer_impl.cc

Index: cc/layers/picture_layer_impl.cc
diff --git a/cc/layers/picture_layer_impl.cc b/cc/layers/picture_layer_impl.cc
index 1979d70607c76d93e6d7309e47b5bd83b1c7a2e7..7c3283fef88e8f9d658387b0e5cbfbe7e483dc4b 100644
--- a/cc/layers/picture_layer_impl.cc
+++ b/cc/layers/picture_layer_impl.cc
@@ -806,14 +806,18 @@ void PictureLayerImpl::SyncTiling(
   }
 }
 
-ResourceProvider::ResourceId PictureLayerImpl::ContentsResourceId() const {
-  gfx::Rect content_rect(content_bounds());
+void PictureLayerImpl::GetContentsResourceId(
+    ResourceProvider::ResourceId* resource_id,
+    gfx::Size* resource_size) const {
+  gfx::Rect content_rect(bounds());
   PictureLayerTilingSet::CoverageIterator iter(
       tilings_.get(), 1.f, content_rect, ideal_contents_scale_);
 
   // Mask resource not ready yet.
-  if (!iter || !*iter)
-    return 0;
+  if (!iter || !*iter) {
+    *resource_id = 0;
+    return;
+  }
 
   // Masks only supported if they fit on exactly one tile.
   DCHECK(iter.geometry_rect() == content_rect)
@@ -822,10 +826,13 @@ ResourceProvider::ResourceId PictureLayerImpl::ContentsResourceId() const {
 
   const ManagedTileState::DrawInfo& draw_info = iter->draw_info();
   if (!draw_info.IsReadyToDraw() ||
-      draw_info.mode() != ManagedTileState::DrawInfo::RESOURCE_MODE)
-    return 0;
+      draw_info.mode() != ManagedTileState::DrawInfo::RESOURCE_MODE) {
+    *resource_id = 0;
+    return;
+  }
 
-  return draw_info.get_resource_id();
+  *resource_id = draw_info.get_resource_id();
+  *resource_size = iter.texture_size();
 }
 
 void PictureLayerImpl::DoPostCommitInitialization() {