Add bug links.

webkit/tools/layout_tests/test_expectations.txt

Index: webkit/tools/layout_tests/test_expectations.txt
===================================================================
--- webkit/tools/layout_tests/test_expectations.txt	(revision 13200)
+++ webkit/tools/layout_tests/test_expectations.txt	(working copy)
@@ -2295,12 +2295,12 @@
 DEFER BUG9768 : LayoutTests/fast/text/international/wrap-CJK-001.html = FAIL
 
 // Merge WebKit 42200:42244 regressions
-LayoutTests/fast/dom/Window/dom-access-from-closure-iframe.html = FAIL
-LayoutTests/fast/dom/Window/dom-access-from-closure-window.html = FAIL
-LayoutTests/fast/text/offsetForPosition-cluster-at-zero.html = FAIL
-LayoutTests/http/tests/security/cross-frame-access-history-prototype.html = FAIL
-LayoutTests/http/tests/security/cross-frame-access-location-prototype.html = FAIL
-WIN : LayoutTests/svg/W3C-SVG-1.1/animate-elem-41-t.svg = FAIL
-LayoutTests/svg/W3C-SVG-1.1/coords-trans-01-b.svg = FAIL
-LayoutTests/svg/W3C-SVG-1.1/painting-render-01-b.svg = FAIL
-LayoutTests/http/tests/security/cross-frame-access-document-direct.html = TIMEOUT
+BUG9786 : LayoutTests/fast/dom/Window/dom-access-from-closure-iframe.html = FAIL
+BUG9786 : LayoutTests/fast/dom/Window/dom-access-from-closure-window.html = FAIL
+BUG9786 : LayoutTests/http/tests/security/cross-frame-access-history-prototype.html = FAIL
+BUG9786 : LayoutTests/http/tests/security/cross-frame-access-location-prototype.html = FAIL
+BUG9786 : LayoutTests/http/tests/security/cross-frame-access-document-direct.html = TIMEOUT
+BUG9787 WIN : LayoutTests/svg/W3C-SVG-1.1/animate-elem-41-t.svg = FAIL
+BUG9787 : LayoutTests/svg/W3C-SVG-1.1/coords-trans-01-b.svg = FAIL
+BUG9787 : LayoutTests/svg/W3C-SVG-1.1/painting-render-01-b.svg = FAIL
+BUG9788 : LayoutTests/fast/text/offsetForPosition-cluster-at-zero.html = FAIL