Bug 1469769 - Part 6: Replace non-failing NS_NOTREACHED with MOZ_ASSERT_UNREACHABLE. r=froydnj

This patch is an automatic replacement of s/NS_NOTREACHED/MOZ_ASSERT_UNREACHABLE/. Reindenting long lines and whitespace fixups follow in patch 6b.

MozReview-Commit-ID: 5UQVHElSpCr

dom/html/HTMLInputElement.h

@@ -1225,10 +1225,10 @@ protected:
       case VALUE_MODE_VALUE:
       case VALUE_MODE_FILENAME:
         return mValueChanged;
-      default:
-        NS_NOTREACHED("We should not be there: there are no other modes.");
-        return false;
     }
+
+    MOZ_ASSERT_UNREACHABLE("We should not be there: there are no other modes.");
+    return false;
   }
 
   /**