Clean up some test exceptions from when I gardened....

webkit/tools/layout_tests/test_expectations.txt

Index: webkit/tools/layout_tests/test_expectations.txt
===================================================================
--- webkit/tools/layout_tests/test_expectations.txt	(revision 25300)
+++ webkit/tools/layout_tests/test_expectations.txt	(working copy)
@@ -123,6 +123,8 @@
 // on which renderer process to use for each of them.
 WONTFIX SKIP BUG19635 : LayoutTests/fast/harness/use-page-cache.html = TIMEOUT FAIL
 WONTFIX SKIP BUG19635 : LayoutTests/fast/dom/Window/timer-resume-on-navigation-back.html = TIMEOUT FAIL
+// Depends on page cache, as far as I can tell.
+WONTFIX SKIP BUG10635 : LayoutTests/fast/events/pageshow-pagehide-on-back-cached.html = TIMEOUT FAIL
 
 // -----------------------------------------------------------------
 // FAILING TESTS
@@ -2291,12 +2293,11 @@
 BUG20376 WIN : LayoutTests/media/video-src-remove.html = TIMEOUT FAIL
 
 // WebKit 47821:47827
-BUG_JORLOW : LayoutTests/fast/events/pageshow-pagehide-on-back-uncached.html = FAIL
-BUG_JORLOW : LayoutTests/fast/events/pageshow-pagehide.html = FAIL
-BUG_JORLOW : LayoutTests/fast/events/pageshow-pagehide-on-back-cached.html = TIMEOUT
+BUG20987 : LayoutTests/fast/events/pageshow-pagehide-on-back-uncached.html = FAIL
+BUG20987 : LayoutTests/fast/events/pageshow-pagehide.html = FAIL
 
 // WebKit 47827:47830
-BUG_JORLOW : LayoutTests/editing/pasteboard/files-during-page-drags.html = FAIL
+BUG20985 : LayoutTests/editing/pasteboard/files-during-page-drags.html = FAIL
 
 // This newly added test times out on Mac:
 BUG20438 MAC : chrome/plugins/get-url-with-iframe-target.html = TIMEOUT