Remove writing mode code from the linebox tree.

sky/engine/core/rendering/style/ShadowList.cpp

Index: sky/engine/core/rendering/style/ShadowList.cpp
diff --git a/sky/engine/core/rendering/style/ShadowList.cpp b/sky/engine/core/rendering/style/ShadowList.cpp
index d997e99cc6fe0cd69c1e7e628198388516fb8c5c..233b0ab44772985756c1dd1bfe40397b988da5fd 100644
--- a/sky/engine/core/rendering/style/ShadowList.cpp
+++ b/sky/engine/core/rendering/style/ShadowList.cpp
@@ -98,14 +98,12 @@ PassRefPtr<ShadowList> ShadowList::blend(const ShadowList* from, const ShadowLis
     return ShadowList::adopt(shadows);
 }
 
-PassOwnPtr<DrawLooperBuilder> ShadowList::createDrawLooper(DrawLooperBuilder::ShadowAlphaMode alphaMode, bool isHorizontal) const
+PassOwnPtr<DrawLooperBuilder> ShadowList::createDrawLooper(DrawLooperBuilder::ShadowAlphaMode alphaMode) const
 {
     OwnPtr<DrawLooperBuilder> drawLooperBuilder = DrawLooperBuilder::create();
     for (size_t i = shadows().size(); i--; ) {
         const ShadowData& shadow = shadows()[i];
-        float shadowX = isHorizontal ? shadow.x() : shadow.y();
-        float shadowY = isHorizontal ? shadow.y() : -shadow.x();
-        drawLooperBuilder->addShadow(FloatSize(shadowX, shadowY), shadow.blur(), shadow.color(),
+        drawLooperBuilder->addShadow(FloatSize(shadow.x(), shadow.y()), shadow.blur(), shadow.color(),
             DrawLooperBuilder::ShadowRespectsTransforms, alphaMode);
     }
     drawLooperBuilder->addUnmodifiedContent();