Fix gradient background invalidation when HTML size changes

third_party/WebKit/LayoutTests/platform/win/paint/invalidation/text-match-document-change-expected.txt

Index: third_party/WebKit/LayoutTests/platform/win/paint/invalidation/text-match-document-change-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/win/paint/invalidation/text-match-document-change-expected.txt b/third_party/WebKit/LayoutTests/platform/win/paint/invalidation/text-match-document-change-expected.txt
index 21bba7080cea14e4a70ee2985e8dac127bf6a4b2..ff00f3347a354e748723a35f369c2bf8dddfd39c 100644
--- a/third_party/WebKit/LayoutTests/platform/win/paint/invalidation/text-match-document-change-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/win/paint/invalidation/text-match-document-change-expected.txt
@@ -7,11 +7,6 @@
       "drawsContent": true,
       "paintInvalidations": [
         {
-          "object": "LayoutBlockFlow HTML",
-          "rect": [10, 102, 285, 400],
-          "reason": "forced by layout"
-        },
-        {
           "object": "LayoutBlockFlow DIV id='to-be-changed'",
           "rect": [18, 128, 269, 36],
           "reason": "full"
@@ -44,10 +39,6 @@
       "reason": "scroll"
     },
     {
-      "object": "LayoutBlockFlow HTML",
-      "reason": "forced by layout"
-    },
-    {
       "object": "LayoutBlockFlow DIV id='to-be-changed'",
       "reason": "full"
     },