Fix class name which has only space

third_party/WebKit/LayoutTests/paint/invalidation/transform-rotate-and-remove-expected.txt

Index: third_party/WebKit/LayoutTests/paint/invalidation/transform-rotate-and-remove-expected.txt
diff --git a/third_party/WebKit/LayoutTests/paint/invalidation/transform-rotate-and-remove-expected.txt b/third_party/WebKit/LayoutTests/paint/invalidation/transform-rotate-and-remove-expected.txt
index 86c601c002addf47717ac13aada9a7cdc544ed99..9e82e09b3383053a1dab97106182d87fb2fbaff9 100644
--- a/third_party/WebKit/LayoutTests/paint/invalidation/transform-rotate-and-remove-expected.txt
+++ b/third_party/WebKit/LayoutTests/paint/invalidation/transform-rotate-and-remove-expected.txt
@@ -7,12 +7,12 @@
       "drawsContent": true,
       "paintInvalidations": [
         {
-          "object": "LayoutBlockFlow DIV id='rel'",
+          "object": "LayoutBlockFlow DIV id='rel' class=''",

[skobes, 2016/10/14 20:41:30]

The w3c test is for a class name containing space " " but here it looks like the
patch also changed treatment of the empty string "".  Is that intended?

           "rect": [8, 8, 220, 70],
           "reason": "subtree"
         },
         {
-          "object": "LayoutBlockFlow DIV id='rel'",
+          "object": "LayoutBlockFlow DIV id='rel' class=''",
           "rect": [20, -64, 196, 214],
           "reason": "subtree"
         }
@@ -21,11 +21,11 @@
   ],
   "objectPaintInvalidations": [
     {
-      "object": "LayoutBlockFlow DIV id='rel'",
+      "object": "LayoutBlockFlow DIV id='rel' class=''",
       "reason": "subtree"
     },
     {
-      "object": "LayoutBlockFlow DIV id='rel'",
+      "object": "LayoutBlockFlow DIV id='rel' class=''",
       "reason": "subtree"
     }
   ]