Moved display property to be generated in ComputedStyleBase.

third_party/WebKit/Source/core/css/CSSValueIDMappings.h

Index: third_party/WebKit/Source/core/css/CSSValueIDMappings.h
diff --git a/third_party/WebKit/Source/core/css/CSSValueIDMappings.h b/third_party/WebKit/Source/core/css/CSSValueIDMappings.h
index 97b573935e24fad7d172c1fdb709a6c3dc98869d..9ddee5f603aa98a8e11e93b6e2295a0847687833 100644
--- a/third_party/WebKit/Source/core/css/CSSValueIDMappings.h
+++ b/third_party/WebKit/Source/core/css/CSSValueIDMappings.h
@@ -74,6 +74,15 @@ inline ECursor cssValueIDToPlatformEnum(CSSValueID v) {
   return detail::cssValueIDToPlatformEnumGenerated<ECursor>(v);
 }
 
+template <>
+inline EDisplay cssValueIDToPlatformEnum(CSSValueID v) {
+  if (v == CSSValueWebkitFlex)
+    return EDisplay::kFlex;
+  if (v == CSSValueWebkitInlineFlex)
+    return EDisplay::kInlineFlex;
+  return detail::cssValueIDToPlatformEnumGenerated<EDisplay>(v);
+}
+
 }  // namespace blink
 
 #endif