Tile Compression

cc/resources/managed_tile_state.h

Index: cc/resources/managed_tile_state.h
diff --git a/cc/resources/managed_tile_state.h b/cc/resources/managed_tile_state.h
index faba93cc2c6e1cf295a1a53a60973eabd4584f03..819b60c5591ed2a274ab3e811d10404d171458d7 100644
--- a/cc/resources/managed_tile_state.h
+++ b/cc/resources/managed_tile_state.h
@@ -55,6 +55,10 @@ class CC_EXPORT ManagedTileState {
 
     inline bool has_resource() const { return !!resource_; }
 
+    inline bool has_compressed_resource() const {
+      return resource_ ? IsFormatCompressed(resource_->format()) : false;
+    }
+
     void SetSolidColorForTesting(SkColor color) { set_solid_color(color); }
     void SetResourceForTesting(scoped_ptr<ScopedResource> resource) {
       resource_ = resource.Pass();