Remove TransformOperation::None

third_party/WebKit/Source/platform/animation/AnimationTranslationUtil.cpp

 /*
  * Copyright (C) 2012 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:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 102 matching lines @@
       case TransformOperation::Interpolated: {
         TransformationMatrix m;
         operation->apply(m, FloatSize());
         outTransformOperations->appendMatrix(
             TransformationMatrix::toSkMatrix44(m));
         break;
       }
       case TransformOperation::Identity:
         outTransformOperations->appendIdentity();
         break;
-      case TransformOperation::None:
-        // Do nothing.
+      default:
+        NOTREACHED();
         break;
     }  // switch
   }    // for each operation
 }
 
 }  // namespace blink