[Reland #1] Don't create layout objects for children of display-none iframes.

third_party/WebKit/LayoutTests/paint/invalidation/iframe-display-block-to-display-none-expected.txt

Index: third_party/WebKit/LayoutTests/paint/invalidation/iframe-display-block-to-display-none-expected.txt
diff --git a/third_party/WebKit/LayoutTests/paint/invalidation/iframe-display-block-to-display-none-expected.txt b/third_party/WebKit/LayoutTests/paint/invalidation/iframe-display-block-to-display-none-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0d8387489b5885a1e3db0853c949fb65af6803d8
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/paint/invalidation/iframe-display-block-to-display-none-expected.txt
@@ -0,0 +1,42 @@
+{
+  "layers": [
+    {
+      "name": "LayoutView #document",
+      "bounds": [800, 600],
+      "contentsOpaque": true,
+      "drawsContent": true,
+      "paintInvalidations": [
+        {
+          "object": "LayoutIFrame IFRAME id='iframe'",
+          "rect": [8, 68, 732, 94],
+          "reason": "layoutObject removal"
+        },
+        {
+          "object": "LayoutBlockFlow HTML",
+          "rect": [10, 70, 728, 90],
+          "reason": "layoutObject removal"
+        },
+        {
+          "object": "LayoutBlockFlow BODY",
+          "rect": [18, 78, 712, 74],
+          "reason": "layoutObject removal"
+        }
+      ]
+    }
+  ],
+  "objectPaintInvalidations": [
+    {
+      "object": "LayoutIFrame IFRAME id='iframe'",
+      "reason": "layoutObject removal"
+    },
+    {
+      "object": "LayoutBlockFlow BODY",
+      "reason": "layoutObject removal"
+    },
+    {
+      "object": "LayoutBlockFlow HTML",
+      "reason": "layoutObject removal"
+    }
+  ]
+}
+