Cleanup WebNinePatchLayerImpl by removing setBitmap(SkBitmap, const WebRect&)

cc/blink/web_nine_patch_layer_impl.cc

Index: cc/blink/web_nine_patch_layer_impl.cc
diff --git a/cc/blink/web_nine_patch_layer_impl.cc b/cc/blink/web_nine_patch_layer_impl.cc
index 65e6fdd071e73f1ea6ed588733e037fa0cc7161b..094349182fa52c98784b34de9aba6a70a1eb9d34 100644
--- a/cc/blink/web_nine_patch_layer_impl.cc
+++ b/cc/blink/web_nine_patch_layer_impl.cc
@@ -24,16 +24,6 @@ blink::WebLayer* WebNinePatchLayerImpl::layer() {
   return layer_.get();
 }
 
-void WebNinePatchLayerImpl::setBitmap(SkBitmap bitmap,
-                                      const blink::WebRect& aperture) {
-  setBitmap(bitmap);
-  setAperture(aperture);
-  setBorder(blink::WebRect(aperture.x,
-                           aperture.y,
-                           bitmap.width() - aperture.width,
-                           bitmap.height() - aperture.height));
-}
-
 void WebNinePatchLayerImpl::setBitmap(const SkBitmap& bitmap) {
   cc::NinePatchLayer* nine_patch =
       static_cast<cc::NinePatchLayer*>(layer_->layer());