Change ComputedStyle::setWritingMode() to return void instead of bool

third_party/WebKit/Source/core/css/resolver/StyleResolverState.h

Index: third_party/WebKit/Source/core/css/resolver/StyleResolverState.h
diff --git a/third_party/WebKit/Source/core/css/resolver/StyleResolverState.h b/third_party/WebKit/Source/core/css/resolver/StyleResolverState.h
index 2518986039a1d40b44d8fedcb001b760a2a8fa48..860813ce3e42cdae24e1e9a72204239f275ef2b3 100644
--- a/third_party/WebKit/Source/core/css/resolver/StyleResolverState.h
+++ b/third_party/WebKit/Source/core/css/resolver/StyleResolverState.h
@@ -182,9 +182,12 @@ class CORE_EXPORT StyleResolverState {
     if (m_style->setEffectiveZoom(f))
       m_fontBuilder.didChangeEffectiveZoom();
   }
-  void setWritingMode(WritingMode writingMode) {
-    if (m_style->setWritingMode(writingMode))
+  void setWritingMode(WritingMode newWritingMode) {
+    const WritingMode oldWritingMode = m_style->getWritingMode();
+    if (oldWritingMode != newWritingMode) {

[sashab, 2016/12/12 02:26:17]

For no reason whatsoever, changed this to be an early return. It's a little
prettier maybe? ^_^

+      m_style->setWritingMode(newWritingMode);
       m_fontBuilder.didChangeWritingMode();
+    }
   }
   void setTextOrientation(TextOrientation textOrientation) {
     if (m_style->setTextOrientation(textOrientation))