Plumb preferred raster bounds rather than scale

cc/blink/web_layer_impl.cc

Index: cc/blink/web_layer_impl.cc
diff --git a/cc/blink/web_layer_impl.cc b/cc/blink/web_layer_impl.cc
index 4d4f9936b5218e6e8a129640f6e32862074bcca5..76bad020de9062e811efe9db1ed12022a4f65ac0 100644
--- a/cc/blink/web_layer_impl.cc
+++ b/cc/blink/web_layer_impl.cc
@@ -474,12 +474,12 @@ void WebLayerImpl::setHasWillChangeTransformHint(bool has_will_change) {
   layer_->SetHasWillChangeTransformHint(has_will_change);
 }
 
-void WebLayerImpl::setPreferredRasterScale(float raster_scale) {
-  layer_->SetPreferredRasterScale(raster_scale);
+void WebLayerImpl::setPreferredRasterBounds(const WebSize& bounds) {
+  layer_->SetPreferredRasterBounds(bounds);
 }
 
-void WebLayerImpl::clearPreferredRasterScale() {
-  layer_->ClearPreferredRasterScale();
+void WebLayerImpl::clearPreferredRasterBounds() {
+  layer_->ClearPreferredRasterBounds();
 }
 
 }  // namespace cc_blink