Changed ComputedStyle's EVisibility to be an enum class and fixed naming

third_party/WebKit/Source/core/animation/animatable/AnimatableValueTestHelper.cpp

 /*
  * Copyright (c) 2013, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 141 matching lines @@
 
 void PrintTo(const AnimatableUnknown& animUnknown, ::std::ostream* os)
 {
     PrintTo(*(animUnknown.toCSSValue()), os, "AnimatableUnknown");
 }
 
 void PrintTo(const AnimatableVisibility& animVisibility, ::std::ostream* os)
 {
     *os << "AnimatableVisibility(";
     switch (animVisibility.visibility()) {
-    case VISIBLE:
-        *os << "VISIBLE";
+    case EVisibility::Visible:
+        *os << "EVisibility::Visible";
         break;
-    case HIDDEN:
-        *os << "HIDDEN";
+    case EVisibility::Hidden:
+        *os << "EVisibility::Hidden";
         break;
-    case COLLAPSE:
-        *os << "COLLAPSE";
+    case EVisibility::Collapse:
+        *os << "EVisibility::Collapse";
         break;
     default:
-        *os << "Unknown Visbilility - update switch in AnimatableValueTestHelper.h";
+        *os << "Unknown Visibility - update switch in AnimatableValueTestHelper.h";
     }
     *os << ")";
 }
 
 void PrintTo(const AnimatableValue& animValue, ::std::ostream* os)
 {
     if (animValue.isClipPathOperation())
         PrintTo(toAnimatableClipPathOperation(animValue), os);
     else if (animValue.isColor())
         PrintTo(toAnimatableColor(animValue), os);
@@ skipping 13 matching lines @@
         PrintTo(toAnimatableTransform(animValue), os);
     else if (animValue.isUnknown())
         PrintTo(toAnimatableUnknown(animValue), os);
     else if (animValue.isVisibility())
         PrintTo(toAnimatableVisibility(animValue), os);
     else
         *os << "Unknown AnimatableValue - update ifelse chain in AnimatableValueTestHelper.h";
 }
 
 } // namespace blink