Fix the bug that negative outline-offset is covered up by composited

third_party/WebKit/LayoutTests/paint/invalidation/composited-overflow-with-negative-offset-outline-expected.txt

Index: third_party/WebKit/LayoutTests/paint/invalidation/composited-overflow-with-negative-offset-outline-expected.txt
diff --git a/third_party/WebKit/LayoutTests/paint/invalidation/composited-overflow-with-local-background-expected.txt b/third_party/WebKit/LayoutTests/paint/invalidation/composited-overflow-with-negative-offset-outline-expected.txt
similarity index 89%
copy from third_party/WebKit/LayoutTests/paint/invalidation/composited-overflow-with-local-background-expected.txt
copy to third_party/WebKit/LayoutTests/paint/invalidation/composited-overflow-with-negative-offset-outline-expected.txt
index 44e96740110b7d6f32c12a0caefacacb91fdc368..a42bd284590a95e1de499bfd114d703f10af866e 100644
--- a/third_party/WebKit/LayoutTests/paint/invalidation/composited-overflow-with-local-background-expected.txt
+++ b/third_party/WebKit/LayoutTests/paint/invalidation/composited-overflow-with-negative-offset-outline-expected.txt
@@ -12,7 +12,6 @@
       "bounds": [200, 200],
       "shouldFlattenTransform": false,
       "drawsContent": true,
-      "backgroundColor": "#008000",
       "paintInvalidations": [
         {
           "object": "LayoutBlockFlow DIV id='scroller'",
@@ -29,15 +28,7 @@
     {
       "name": "Scrolling Contents Layer",
       "bounds": [185, 300],
-      "contentsOpaque": true,
-      "drawsContent": true,
-      "paintInvalidations": [
-        {
-          "object": "LayoutBlockFlow DIV id='scroller'",
-          "rect": [0, 0, 185, 300],
-          "reason": "style change"
-        }
-      ]
+      "drawsContent": true
     },
     {
       "name": "Overflow Controls Host Layer",
@@ -58,14 +49,22 @@
       "position": [185, 185],
       "bounds": [15, 15],
       "drawsContent": true
+    },
+    {
+      "name": "Decoration Layer",
+      "bounds": [200, 200],
+      "drawsContent": true,
+      "paintInvalidations": [
+        {
+          "object": "LayoutBlockFlow DIV id='scroller'",
+          "rect": [0, 0, 200, 200],
+          "reason": "style change"
+        }
+      ]
     }
   ],
   "objectPaintInvalidations": [
     {
-      "object": "Scrolling Contents Layer",
-      "reason": "style change"
-    },
-    {
       "object": "LayoutBlockFlow DIV id='scroller'",
       "reason": "style change"
     }