First pass at removing dead vertical writing mode code.

sky/engine/core/frame/LocalFrame.cpp

Index: sky/engine/core/frame/LocalFrame.cpp
diff --git a/sky/engine/core/frame/LocalFrame.cpp b/sky/engine/core/frame/LocalFrame.cpp
index c102ae36e50f5165fa65b78966b3f08a371a8ee6..47d38fa91a9451609756e44f6a2beed7d3707f81 100644
--- a/sky/engine/core/frame/LocalFrame.cpp
+++ b/sky/engine/core/frame/LocalFrame.cpp
@@ -165,17 +165,10 @@ FloatSize LocalFrame::resizePageRectsKeepingRatio(const FloatSize& originalSize,
     if (!contentRenderer())
         return FloatSize();
 
-    if (contentRenderer()->style()->isHorizontalWritingMode()) {
-        ASSERT(fabs(originalSize.width()) > std::numeric_limits<float>::epsilon());
-        float ratio = originalSize.height() / originalSize.width();
-        resultSize.setWidth(floorf(expectedSize.width()));
-        resultSize.setHeight(floorf(resultSize.width() * ratio));
-    } else {
-        ASSERT(fabs(originalSize.height()) > std::numeric_limits<float>::epsilon());
-        float ratio = originalSize.width() / originalSize.height();
-        resultSize.setHeight(floorf(expectedSize.height()));
-        resultSize.setWidth(floorf(resultSize.height() * ratio));
-    }
+    ASSERT(fabs(originalSize.width()) > std::numeric_limits<float>::epsilon());
+    float ratio = originalSize.height() / originalSize.width();
+    resultSize.setWidth(floorf(expectedSize.width()));
+    resultSize.setHeight(floorf(resultSize.width() * ratio));
     return resultSize;
 }