Avoid requiring a recalc to update compositing state for iframes

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

Index: LayoutTests/platform/win/http/tests/misc/frame-access-during-load-expected.txt
diff --git a/LayoutTests/platform/win/http/tests/misc/frame-access-during-load-expected.txt b/LayoutTests/platform/win/http/tests/misc/frame-access-during-load-expected.txt
index 470ca317f9611834264ed468debdeba592398365..7640ea87cd59499ecd5fac71e232c666ce2837d8 100644
--- a/LayoutTests/platform/win/http/tests/misc/frame-access-during-load-expected.txt
+++ b/LayoutTests/platform/win/http/tests/misc/frame-access-during-load-expected.txt
@@ -9,23 +9,7 @@ layer at (0,0) size 800x600
           text run at (126,0) width 617: "accessing a frame's document while it is still loading does not prevent the load, but can access at least a"
           text run at (0,20) width 170: "temporary empty document."
       RenderBlock (anonymous) at (0,56) size 784x120
-        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 69x19
-                  text run at (0,0) width 69: "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 69x19
-                  text run at (0,0) width 69: "SUCCESS"
         RenderBR {BR} at (300,80) size 0x0
         RenderText {#text} at (0,80) size 157x19
           text run at (0,80) width 157: "[object HTMLDocument]"
@@ -35,3 +19,21 @@ layer at (0,0) size 800x600
       RenderBlock {P} at (0,192) size 784x20
         RenderText {#text} at (0,0) size 588x19
           text run at (0,0) width 588: "If this test passes, you should see SUCCESS twice, followed by [object HTMLDocument] twice."
+layer at (8,64) 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 69x19
+            text run at (0,0) width 69: "SUCCESS"
+layer at (8,104) 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 69x19
+            text run at (0,0) width 69: "SUCCESS"