Assign issue numbers to three layout test failures.

webkit/tools/layout_tests/test_expectations.txt

 // This file consists of lines with specifications of what
 // to expect from layout test cases. The test cases can be directories
 // in which case the expectations apply to all test cases in that
 // directory and any subdirectory. The format of the file is along the
 // lines of:
 //
 // LayoutTests/fast/js/fixme.js = FAIL
 // LayoutTests/fast/js/flaky.js = FAIL PASS
 // LayoutTests/fast/js/crash.js = CRASH TIMEOUT FAIL PASS
 //
@@ skipping 1663 matching lines @@
 BUG23498 MAC : LayoutTests/fast/forms/fieldset-align.html = IMAGE
 // BUG23498 MAC : LayoutTests/fast/forms/form-element-geometry.html = IMAGE
 BUG23498 MAC : LayoutTests/fast/forms/form-hides-table.html = IMAGE
 BUG23498 MAC : LayoutTests/fast/forms/input-table.html = IMAGE
 BUG23498 MAC : LayoutTests/fast/forms/textAreaLineHeight.html = IMAGE
 BUG23498 MAC : LayoutTests/fast/forms/textarea-rows-cols.html = IMAGE
 
 BUG23498 MAC SLOW : LayoutTests/fast/frames/frame-scrolling-attribute.html = IMAGE
 
 BUG23498 MAC : LayoutTests/fast/frames/iframe-scrolling-attribute.html = IMAGE
-BUG23498 MAC RELEASE : LayoutTests/fast/frames/invalid.html = IMAGE CRASH
-BUG23498 MAC DEBUG SLOW : LayoutTests/fast/frames/invalid.html = IMAGE CRASH
+BUG23498 BUG26044 MAC RELEASE : LayoutTests/fast/frames/invalid.html = IMAGE CRASH
+BUG23498 BUG26044 MAC DEBUG SLOW : LayoutTests/fast/frames/invalid.html = IMAGE CRASH
 // BUG23498 MAC : LayoutTests/fast/frames/onlyCommentInIFrame.html = IMAGE
 BUG23498 MAC : LayoutTests/fast/frames/valid.html = IMAGE
 BUG23498 MAC : LayoutTests/fast/gradients/background-clipped.html = IMAGE
 BUG23498 MAC : LayoutTests/fast/images/pdf-as-image-landscape.html = IMAGE
 BUG23498 MAC : LayoutTests/fast/inline/inline-borders-with-bidi-override.html = IMAGE
 BUG23498 MAC : LayoutTests/fast/inline/inline-continuation-borders.html = IMAGE
 BUG23498 MAC : LayoutTests/fast/inline/long-wrapped-line.html = IMAGE
 BUG23498 MAC : LayoutTests/fast/inline-block/inline-block-vertical-align.html = IMAGE
 BUG23498 MAC : LayoutTests/fast/layers/scroll-rect-to-visible.html = IMAGE
 BUG23498 MAC : LayoutTests/fast/lists/001.html = IMAGE
@@ skipping 1407 matching lines @@
 
 // WebKit Roll 49640:49684
 BUG_JEREMY LINUX WIN : LayoutTests/http/tests/navigation/reload-subframe-object.html = FAIL
 BUG25202 LINUX WIN : LayoutTests/svg/W3C-SVG-1.1/masking-path-02-b.svg = FAIL
 BUG25208 LINUX WIN : LayoutTests/svg/W3C-SVG-1.1/masking-path-05-f.svg = FAIL
 BUG_JEREMY WIN : LayoutTests/editing/deleting/deletionUI-single-instance.html = FAIL
 BUG_JEREMY MAC : LayoutTests/fast/frames/onlyCommentInIFrame.html = CRASH FAIL
 
 // WebKit Roll 49684:49761
 BUG_YUTAK : LayoutTests/fast/events/drag-and-drop-dataTransfer-types-nocrash.html = FAIL
-BUG_YUTAK LINUX : LayoutTests/http/tests/security/mixedContent/insecure-plugin-in-iframe.html = FAIL PASS
+BUG26042 LINUX : LayoutTests/http/tests/security/mixedContent/insecure-plugin-in-iframe.html = FAIL PASS
 
 // WebKit Roll 49809:49830
 // New test flakiness is being observed.
-BUG_YUTAK MAC LINUX : LayoutTests/fast/frames/frame-set-same-src.html = CRASH PASS
+BUG26045 MAC LINUX : LayoutTests/fast/frames/frame-set-same-src.html = CRASH PASS
 BUG_YUTAK MAC RELEASE : LayoutTests/fast/overflow/002.html = CRASH PASS
 
 // Test expectation for MAC is located above.
 // Please remove CRASH from that line when the fix is in.
-BUG_YUTAK WIN LINUX : LayoutTests/fast/frames/invalid.html = CRASH PASS
+BUG26044 WIN LINUX : LayoutTests/fast/frames/invalid.html = CRASH PASS
 
 // Not sure when the flakiness started.
 BUG25378 WIN LINUX : LayoutTests/fast/forms/search-hidden-cancel-button.html = CRASH PASS
 
 // Incorrect baseline removed.
 BUG25433 WIN LINUX : LayoutTests/css2.1/t040103-ident-03-c.html = IMAGE
 
 // Webkit roll 49947:49957
 BUG_JOHNNYG WIN LINUX : LayoutTests/fast/forms/ValidityState-patternMismatch-001.html = CRASH PASS
 
@@ skipping 111 matching lines @@
 BUG_JOTH LINUX WIN : LayoutTests/fast/css/text-input-with-webkit-border-radius.html = IMAGE+TEXT
 BUG_JORLOW WIN : chrome/fast/forms/basic-selects.html = IMAGE
 
 // WebKit roll 50248:50258
 BUG_ROLANDSTEINER : LayoutTests/accessibility/aria-option-role.html = TEXT
 BUG_ROLANDSTEINER LINUX : LayoutTests/fast/forms/select-empty-option-height.html = PASS TIMEOUT
 BUG_ROLANDSTEINER LINUX : LayoutTests/svg/custom/marker-default-width-height.svg = TEXT
 BUG_ROLANDSTEINER LINUX RELEASE : LayoutTests/fast/overflow/overflow_hidden.html = CRASH
 BUG_ROLANDSTEINER MAC : LayoutTests/css3/css3-modsel-33.html = TEXT
 BUG_ROLANDSTEINER MAC : chrome/plugins/script-object-invoke.html = TEXT