Fix invalidation under scroll, and cull rect testing, of flipped-block writing mode elements.

third_party/WebKit/LayoutTests/paint/invalidation/flipped-blocks-writing-mode-scroll-expected.txt

Index: third_party/WebKit/LayoutTests/paint/invalidation/flipped-blocks-writing-mode-scroll-expected.txt
diff --git a/third_party/WebKit/LayoutTests/paint/invalidation/invalidate-after-composited-scroll-expected.txt b/third_party/WebKit/LayoutTests/paint/invalidation/flipped-blocks-writing-mode-scroll-expected.txt
similarity index 71%
copy from third_party/WebKit/LayoutTests/paint/invalidation/invalidate-after-composited-scroll-expected.txt
copy to third_party/WebKit/LayoutTests/paint/invalidation/flipped-blocks-writing-mode-scroll-expected.txt
index 172e3d4fc4f5f23cc1fa7658d179009150810ce6..a357e1c5e9c060c7802bb32379682336461457f9 100644
--- a/third_party/WebKit/LayoutTests/paint/invalidation/invalidate-after-composited-scroll-expected.txt
+++ b/third_party/WebKit/LayoutTests/paint/invalidation/flipped-blocks-writing-mode-scroll-expected.txt
@@ -9,25 +9,25 @@
       "drawsContent": true,
       "children": [
         {
-          "name": "LayoutBlockFlow (positioned) DIV id='scroller'",
-          "position": [300, 300],
-          "bounds": [200, 200],
+          "name": "LayoutBlockFlow DIV id='scroller'",
+          "position": [8, 8],
+          "bounds": [400, 400],
           "shouldFlattenTransform": false,
           "drawsContent": true,
           "children": [
             {
               "name": "Scrolling Layer",
-              "bounds": [185, 200],
+              "bounds": [400, 385],
               "shouldFlattenTransform": false,
               "children": [
                 {
                   "name": "Scrolling Contents Layer",
-                  "bounds": [185, 4900],
+                  "bounds": [10000, 385],
                   "drawsContent": true,
                   "paintInvalidations": [
                     {
                       "object": "LayoutBlockFlow DIV id='target'",
-                      "rect": [0, 2400, 100, 100],
+                      "rect": [0, 0, 10000, 200],
                       "reason": "style change"
                     }
                   ]
@@ -36,16 +36,16 @@
             },
             {
               "name": "Overflow Controls Host Layer",
-              "bounds": [200, 200],
+              "bounds": [400, 400],
               "children": [
                 {
-                  "name": "Vertical Scrollbar Layer",
-                  "position": [185, 0],
-                  "bounds": [15, 200],
+                  "name": "Horizontal Scrollbar Layer",
+                  "position": [0, 385],
+                  "bounds": [400, 15],
                   "paintInvalidations": [
                     {
-                      "object": "Vertical Scrollbar Layer",
-                      "rect": [0, 0, 15, 200],
+                      "object": "Horizontal Scrollbar Layer",
+                      "rect": [0, 0, 400, 15],
                       "reason": "full"
                     }
                   ]