Generate enum/getters/setters/mappings for isolation.

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 ff869fc1718e43d98105dfb0ab5c342739393d64..48b00bf4f24b4f92f7a65bf0e75e3d445acb5731 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyle.h
+++ b/third_party/WebKit/Source/core/style/ComputedStyle.h
@@ -1020,15 +1020,6 @@ class CORE_EXPORT ComputedStyle : public ComputedStyleBase,
     SetRespectImageOrientationInternal(v);
   }
 
-  // isolation
-  static EIsolation InitialIsolation() { return EIsolation::kAuto; }
-  EIsolation Isolation() const {
-    return static_cast<EIsolation>(rare_non_inherited_data_->isolation_);
-  }
-  void SetIsolation(EIsolation v) {
-    rare_non_inherited_data_.Access()->isolation_ = static_cast<unsigned>(v);
-  }
-
   // -webkit-margin-before-collapse (aka -webkit-margin-top-collapse)
   static EMarginCollapse InitialMarginBeforeCollapse() {
     return kMarginCollapseCollapse;