Fix gradient background invalidation when HTML size changes

third_party/WebKit/LayoutTests/virtual/disable-spinvalidation/paint/invalidation/shift-relative-positioned-container-with-image-addition-expected.txt

Index: third_party/WebKit/LayoutTests/virtual/disable-spinvalidation/paint/invalidation/shift-relative-positioned-container-with-image-addition-expected.txt
diff --git a/third_party/WebKit/LayoutTests/virtual/disable-spinvalidation/paint/invalidation/shift-relative-positioned-container-with-image-addition-expected.txt b/third_party/WebKit/LayoutTests/virtual/disable-spinvalidation/paint/invalidation/shift-relative-positioned-container-with-image-addition-expected.txt
index 504d969f278241ddcbace015b5b6a062061f09a6..a88792e1e75a440fd50bf71aa365533a357bfae2 100644
--- a/third_party/WebKit/LayoutTests/virtual/disable-spinvalidation/paint/invalidation/shift-relative-positioned-container-with-image-addition-expected.txt
+++ b/third_party/WebKit/LayoutTests/virtual/disable-spinvalidation/paint/invalidation/shift-relative-positioned-container-with-image-addition-expected.txt
@@ -7,11 +7,6 @@
       "drawsContent": true,
       "paintInvalidations": [
         {
-          "object": "LayoutBlockFlow HTML",
-          "rect": [0, 0, 785, 829],
-          "reason": "forced by layout"
-        },
-        {
           "object": "LayoutView #document",
           "rect": [0, 735, 785, 94],
           "reason": "incremental"
@@ -32,11 +27,6 @@
           "reason": "layoutObject insertion"
         },
         {
-          "object": "LayoutBlockFlow HTML",
-          "rect": [10, 88, 728, 90],
-          "reason": "forced by layout"
-        },
-        {
           "object": "LayoutImage IMG",
           "rect": [58, 230, 489, 537],
           "reason": "bounds change"
@@ -55,10 +45,6 @@
       "reason": "incremental"
     },
     {
-      "object": "LayoutBlockFlow HTML",
-      "reason": "forced by layout"
-    },
-    {
       "object": "LayoutIFrame IFRAME id='iframe'",
       "reason": "layoutObject insertion"
     },
@@ -92,7 +78,7 @@
     },
     {
       "object": "LayoutBlockFlow HTML",
-      "reason": "forced by layout"
+      "reason": "location change"
     },
     {
       "object": "LayoutBlockFlow BODY",