Avoid requiring a recalc to update compositing state for iframes

LayoutTests/platform/mac/http/tests/misc/frame-access-during-load-expected.txt

Index: LayoutTests/platform/mac/http/tests/misc/frame-access-during-load-expected.txt
diff --git a/LayoutTests/http/tests/misc/frame-access-during-load-expected.txt b/LayoutTests/platform/mac/http/tests/misc/frame-access-during-load-expected.txt
similarity index 60%
copy from LayoutTests/http/tests/misc/frame-access-during-load-expected.txt
copy to LayoutTests/platform/mac/http/tests/misc/frame-access-during-load-expected.txt
index b91894fb4b4eeeba450816b9d79d7f015c5f7b02..07b863c7c6c5fcf25819a5fecfb90dc5d392b904 100644
--- a/LayoutTests/http/tests/misc/frame-access-during-load-expected.txt
+++ b/LayoutTests/platform/mac/http/tests/misc/frame-access-during-load-expected.txt
@@ -9,23 +9,7 @@ layer at (0,0) size 800x600
           text run at (134,0) width 646: "accessing a frame's document while it is still loading does not prevent the load, but can access at least a"
           text run at (0,18) width 177: "temporary empty document."
       RenderBlock (anonymous) at (0,52) size 784x116
-        RenderPartObject {IFRAME} at (0,0) size 300x40
-          layer at (0,0) size 300x40
-            RenderView at (0,0) size 300x40
-          layer at (0,0) size 300x40
-            RenderBlock {HTML} at (0,0) size 300x40
-              RenderBody {BODY} at (8,8) size 284x24
-                RenderText {#text} at (0,0) size 71x18
-                  text run at (0,0) width 71: "SUCCESS"
         RenderBR {BR} at (300,40) size 0x0
-        RenderPartObject {IFRAME} at (0,40) size 300x40
-          layer at (0,0) size 300x40
-            RenderView at (0,0) size 300x40
-          layer at (0,0) size 300x40
-            RenderBlock {HTML} at (0,0) size 300x40
-              RenderBody {BODY} at (8,8) size 284x24
-                RenderText {#text} at (0,0) size 71x18
-                  text run at (0,0) width 71: "SUCCESS"
         RenderBR {BR} at (300,80) size 0x0
         RenderText {#text} at (0,80) size 164x18
           text run at (0,80) width 164: "[object HTMLDocument]"
@@ -35,3 +19,21 @@ layer at (0,0) size 800x600
       RenderBlock {P} at (0,184) size 784x18
         RenderText {#text} at (0,0) size 614x18
           text run at (0,0) width 614: "If this test passes, you should see SUCCESS twice, followed by [object HTMLDocument] twice."
+layer at (8,60) size 300x40
+  RenderPartObject {IFRAME} at (0,0) size 300x40
+    layer at (0,0) size 300x40
+      RenderView at (0,0) size 300x40
+    layer at (0,0) size 300x40
+      RenderBlock {HTML} at (0,0) size 300x40
+        RenderBody {BODY} at (8,8) size 284x24
+          RenderText {#text} at (0,0) size 71x18
+            text run at (0,0) width 71: "SUCCESS"
+layer at (8,100) size 300x40
+  RenderPartObject {IFRAME} at (0,40) size 300x40
+    layer at (0,0) size 300x40
+      RenderView at (0,0) size 300x40
+    layer at (0,0) size 300x40
+      RenderBlock {HTML} at (0,0) size 300x40
+        RenderBody {BODY} at (8,8) size 284x24
+          RenderText {#text} at (0,0) size 71x18
+            text run at (0,0) width 71: "SUCCESS"