Fix gradient background invalidation when HTML size changes

third_party/WebKit/LayoutTests/paint/invalidation/window-resize-media-query-expected.txt

Index: third_party/WebKit/LayoutTests/paint/invalidation/window-resize-media-query-expected.txt
diff --git a/third_party/WebKit/LayoutTests/paint/invalidation/window-resize-media-query-expected.txt b/third_party/WebKit/LayoutTests/paint/invalidation/window-resize-media-query-expected.txt
index 833a115db7dddac6c85303aed7f56b270d15ba3a..3d6a9e38015d11d4eef6d62d6518c6e471c1d586 100644
--- a/third_party/WebKit/LayoutTests/paint/invalidation/window-resize-media-query-expected.txt
+++ b/third_party/WebKit/LayoutTests/paint/invalidation/window-resize-media-query-expected.txt
@@ -11,11 +11,6 @@
           "object": "LayoutView #document",
           "rect": [0, 250, 600, 250],
           "reason": "incremental"
-        },
-        {
-          "object": "LayoutBlockFlow HTML",
-          "rect": [0, 0, 600, 8],
-          "reason": "forced by layout"
         }
       ]
     }
@@ -24,10 +19,6 @@
     {
       "object": "LayoutView #document",
       "reason": "incremental"
-    },
-    {
-      "object": "LayoutBlockFlow HTML",
-      "reason": "forced by layout"
     }
   ]
 }
@@ -41,11 +32,6 @@
       "backgroundColor": "#0000FF",
       "paintInvalidations": [
         {
-          "object": "LayoutBlockFlow HTML",
-          "rect": [0, 0, 600, 8],
-          "reason": "forced by layout"
-        },
-        {
           "object": "LayoutView #document",
           "rect": [400, 0, 200, 250],
           "reason": "incremental"
@@ -57,10 +43,6 @@
     {
       "object": "LayoutView #document",
       "reason": "incremental"
-    },
-    {
-      "object": "LayoutBlockFlow HTML",
-      "reason": "forced by layout"
     }
   ]
 }
@@ -77,11 +59,6 @@
           "object": "LayoutView #document",
           "rect": [0, 250, 400, 350],
           "reason": "incremental"
-        },
-        {
-          "object": "LayoutBlockFlow HTML",
-          "rect": [0, 0, 400, 8],
-          "reason": "forced by layout"
         }
       ]
     }
@@ -90,10 +67,6 @@
     {
       "object": "LayoutView #document",
       "reason": "incremental"
-    },
-    {
-      "object": "LayoutBlockFlow HTML",
-      "reason": "forced by layout"
     }
   ]
 }
@@ -107,11 +80,6 @@
       "backgroundColor": "#0000FF",
       "paintInvalidations": [
         {
-          "object": "LayoutBlockFlow HTML",
-          "rect": [0, 0, 800, 8],
-          "reason": "forced by layout"
-        },
-        {
           "object": "LayoutView #document",
           "rect": [400, 0, 400, 600],
           "reason": "incremental"
@@ -123,10 +91,6 @@
     {
       "object": "LayoutView #document",
       "reason": "incremental"
-    },
-    {
-      "object": "LayoutBlockFlow HTML",
-      "reason": "forced by layout"
     }
   ]
 }