Revert of Generate enum/getters/setters/mappings for flex-direction

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

Index: third_party/WebKit/Source/core/style/ComputedStyle.h
diff --git a/third_party/WebKit/Source/core/style/ComputedStyle.h b/third_party/WebKit/Source/core/style/ComputedStyle.h
index 0a47536b1f24e4481fee6db3925bfbcd5ce24701..5984e27ec4e7fb927ddc9b6f0afdccaa995c0178 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyle.h
+++ b/third_party/WebKit/Source/core/style/ComputedStyle.h
@@ -739,6 +739,17 @@
                    length);
   }
 
+  // flex-direction (aka -webkit-flex-direction)
+  static EFlexDirection InitialFlexDirection() { return EFlexDirection::kRow; }
+  EFlexDirection FlexDirection() const {
+    return static_cast<EFlexDirection>(
+        rare_non_inherited_data_->flexible_box_data_->flex_direction_);
+  }
+  void SetFlexDirection(EFlexDirection direction) {
+    SET_NESTED_VAR(rare_non_inherited_data_, flexible_box_data_,
+                   flex_direction_, static_cast<unsigned>(direction));
+  }
+
   // flex-grow (aka -webkit-flex-grow)
   static float InitialFlexGrow() { return 0; }
   float FlexGrow() const {