Add new iframe layout test.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@20286 268f45cc-cd09-0410-ab3c-d52691b4dbfc

LayoutTests/fast/frames/iframe-with-frameborder-expected.checksum

+6961dd3d2718e476bd88070d67752c38
\ No newline at end of file

LayoutTests/fast/frames/iframe-with-frameborder-expected.txt

+layer at (0,0) size 800x600
+  RenderView at (0,0) size 800x600
+layer at (0,0) size 800x600
+  RenderBlock {HTML} at (0,0) size 800x600
+    RenderBody {BODY} at (8,8) size 784x584
+      RenderText {#text} at (0,0) size 212x18
+        text run at (0,0) width 212: "This iframe should have a border."
+      RenderBR {BR} at (212,14) size 0x0
+      RenderPartObject {IFRAME} at (0,18) size 304x154 [border: (2px inset #000000)]
+        layer at (0,0) size 300x150
+          RenderView at (0,0) size 300x150
+        layer at (0,0) size 300x8
+          RenderBlock {HTML} at (0,0) size 300x8
+            RenderBody {BODY} at (8,8) size 284x0
+      RenderText {#text} at (304,158) size 4x18
+        text run at (304,158) width 4: " "
+      RenderBR {BR} at (0,0) size 0x0
+      RenderText {#text} at (0,176) size 146x18
+        text run at (0,176) width 146: "This iframe should not."
+      RenderBR {BR} at (146,190) size 0x0
+      RenderPartObject {IFRAME} at (0,194) size 300x150
+        layer at (0,0) size 300x150
+          RenderView at (0,0) size 300x150
+        layer at (0,0) size 300x8
+          RenderBlock {HTML} at (0,0) size 300x8
+            RenderBody {BODY} at (8,8) size 284x0
+      RenderText {#text} at (300,330) size 4x18
+        text run at (300,330) width 4: " "
+      RenderBR {BR} at (304,344) size 0x0
+      RenderText {#text} at (0,348) size 216x18
+        text run at (0,348) width 216: "This iframe should have a border. "
+      RenderBR {BR} at (216,362) size 0x0
+      RenderPartObject {IFRAME} at (0,366) size 304x154 [border: (2px inset #000000)]
+        layer at (0,0) size 300x150
+          RenderView at (0,0) size 300x150
+        layer at (0,0) size 300x8
+          RenderBlock {HTML} at (0,0) size 300x8
+            RenderBody {BODY} at (8,8) size 284x0
+      RenderText {#text} at (0,0) size 0x0

LayoutTests/fast/frames/iframe-with-frameborder.html

+This iframe should have a border.<br>
+
+<iframe frameborder="1" src="about:blank"></iframe>
+
+<br>
+
+This iframe should not.<br>
+
+<iframe frameborder="0" src="about:blank"></iframe>
+<br>
+
+This iframe should have a border.
+<br>
+
+<iframe frameborder="0" style="border:2px inset" src="about:blank"></iframe>