Replace ASSERT_NOT_REACHED with NOTREACHED

third_party/WebKit/Source/core/animation/ImagePropertyFunctions.h

Index: third_party/WebKit/Source/core/animation/ImagePropertyFunctions.h
diff --git a/third_party/WebKit/Source/core/animation/ImagePropertyFunctions.h b/third_party/WebKit/Source/core/animation/ImagePropertyFunctions.h
index 5083017a98919a38e5d5a81b7adc4dde833adc18..0d00a8a005b1bc7a66d76e558fa9a01a9d8fc767 100644
--- a/third_party/WebKit/Source/core/animation/ImagePropertyFunctions.h
+++ b/third_party/WebKit/Source/core/animation/ImagePropertyFunctions.h
@@ -24,7 +24,7 @@ public:
         case CSSPropertyWebkitMaskBoxImageSource:
             return style.maskBoxImageSource();
         default:
-            ASSERT_NOT_REACHED();
+            NOTREACHED();
             return nullptr;
         }
     }
@@ -42,7 +42,7 @@ public:
             style.setMaskBoxImageSource(image);
             break;
         default:
-            ASSERT_NOT_REACHED();
+            NOTREACHED();
         }
     }
 };