Use generated copy and compare for VerticalAlign in ComputedStyle.

third_party/WebKit/Source/core/style/ComputedStyle.cpp

Index: third_party/WebKit/Source/core/style/ComputedStyle.cpp
diff --git a/third_party/WebKit/Source/core/style/ComputedStyle.cpp b/third_party/WebKit/Source/core/style/ComputedStyle.cpp
index b222b4f2a2df73a515b9d9e35601b80403fbe0ad..504d0e3bd9275540c75eb09679e3e0c35dce6d9f 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyle.cpp
+++ b/third_party/WebKit/Source/core/style/ComputedStyle.cpp
@@ -344,7 +344,6 @@ void ComputedStyle::CopyNonInheritedFromCached(const ComputedStyle& other) {
   // See comments for each skipped flag below.
 
   // These are not generated in ComputedStyleBase
-  SetVerticalAlign(other.VerticalAlign());
   SetHasViewportUnits(other.HasViewportUnits());
   SetHasRemUnitsInternal(other.HasRemUnits());
 
@@ -477,8 +476,6 @@ bool ComputedStyle::LoadingCustomFontsEqual(const ComputedStyle& other) const {
 bool ComputedStyle::NonInheritedEqual(const ComputedStyle& other) const {
   // compare everything except the pseudoStyle pointer
   return ComputedStyleBase::NonInheritedEqual(other) &&
-         VerticalAlign() == other.VerticalAlign() &&  // Not generated in
-                                                      // ComputedStyleBase
          box_ == other.box_ &&
          visual_ == other.visual_ && background_ == other.background_ &&
          surround_ == other.surround_ &&