Fix gradient background invalidation when HTML size changes

third_party/WebKit/LayoutTests/platform/win/paint/invalidation/window-resize-vertical-writing-mode-expected.txt

Index: third_party/WebKit/LayoutTests/platform/win/paint/invalidation/window-resize-vertical-writing-mode-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/win/paint/invalidation/window-resize-vertical-writing-mode-expected.txt b/third_party/WebKit/LayoutTests/platform/win/paint/invalidation/window-resize-vertical-writing-mode-expected.txt
index 24b1d65ca1a678d1893d39c0a2b33c139f87dc37..3be2d608d177add4115fd97fa56d5aefe79e88d6 100644
--- a/third_party/WebKit/LayoutTests/platform/win/paint/invalidation/window-resize-vertical-writing-mode-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/win/paint/invalidation/window-resize-vertical-writing-mode-expected.txt
@@ -7,11 +7,6 @@
       "drawsContent": true,
       "paintInvalidations": [
         {
-          "object": "LayoutBlockFlow HTML",
-          "rect": [0, 0, 913, 235],
-          "reason": "forced by layout"
-        },
-        {
           "object": "LayoutView #document",
           "rect": [0, 0, 913, 235],
           "reason": "bounds change"
@@ -42,11 +37,6 @@
           "reason": "scroll"
         },
         {
-          "object": "LayoutBlockFlow HTML",
-          "rect": [483, 0, 430, 500],
-          "reason": "forced by layout"
-        },
-        {
           "object": "LayoutBlockFlow BODY",
           "rect": [491, 8, 414, 484],
           "reason": "forced by layout"
@@ -69,10 +59,6 @@
       "reason": "bounds change"
     },
     {
-      "object": "LayoutBlockFlow HTML",
-      "reason": "forced by layout"
-    },
-    {
       "object": "LayoutBlockFlow BODY",
       "reason": "forced by layout"
     },
@@ -283,11 +269,6 @@
           "reason": "full"
         },
         {
-          "object": "LayoutBlockFlow HTML",
-          "rect": [-513, 0, 913, 235],
-          "reason": "forced by layout"
-        },
-        {
           "object": "LayoutView #document",
           "rect": [-513, 0, 913, 235],
           "reason": "bounds change"
@@ -313,11 +294,6 @@
           "reason": "scroll"
         },
         {
-          "object": "LayoutBlockFlow HTML",
-          "rect": [39, 0, 361, 600],
-          "reason": "forced by layout"
-        },
-        {
           "object": "LayoutBlockFlow BODY",
           "rect": [47, 8, 345, 584],
           "reason": "forced by layout"
@@ -340,10 +316,6 @@
       "reason": "bounds change"
     },
     {
-      "object": "LayoutBlockFlow HTML",
-      "reason": "forced by layout"
-    },
-    {
       "object": "LayoutBlockFlow BODY",
       "reason": "forced by layout"
     },
@@ -391,16 +363,6 @@
           "reason": "incremental"
         },
         {
-          "object": "LayoutBlockFlow HTML",
-          "rect": [439, 0, 361, 600],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutBlockFlow HTML",
-          "rect": [39, 0, 361, 600],
-          "reason": "forced by layout"
-        },
-        {
           "object": "LayoutBlockFlow BODY",
           "rect": [447, 8, 345, 584],
           "reason": "forced by layout"
@@ -429,10 +391,6 @@
       "reason": "incremental"
     },
     {
-      "object": "LayoutBlockFlow HTML",
-      "reason": "forced by layout"
-    },
-    {
       "object": "LayoutBlockFlow BODY",
       "reason": "forced by layout"
     },