Fix gradient background invalidation when HTML size changes

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

Index: third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/text-match-document-change-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/text-match-document-change-expected.txt b/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/text-match-document-change-expected.txt
index 7d685a11058ab7f38954039cecec16953434d518..fba9d1c26000c848c4c33de78cf9e717825d31e1 100644
--- a/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/text-match-document-change-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/linux/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, 130, 269, 40],
           "reason": "full"
@@ -44,10 +39,6 @@
       "reason": "scroll"
     },
     {
-      "object": "LayoutBlockFlow HTML",
-      "reason": "forced by layout"
-    },
-    {
       "object": "LayoutBlockFlow DIV id='to-be-changed'",
       "reason": "full"
     },