More layout test hygiene....

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 1189 matching lines @@
 
 // v8: A setter that is added to a prototype after the inline cache is
 // recorded will not be called.
 BUG24209 : LayoutTests/fast/js/pic/cached-prototype-setter.html = FAIL
 
 // We have the wrong shadow for "This".
 // It appears we're not obeying the "transparent" fill color.
 BUG10317 LINUX : LayoutTests/fast/css/shadow-multiple.html = FAIL
 
 // Problems with getImageData and toDataURL.
-// We should fix this test, but it wasn't passing for the 1.0 release, so
-// it doesn't need to block the current release
-BUG2972 LINUX WIN : LayoutTests/fast/canvas/canvas-getImageData.html = FAIL
+// This test requires us to do alpha blending exactly the way CG does it,
+// which Skia may never do (see bug).
+BUG22700 LINUX WIN : LayoutTests/fast/canvas/canvas-getImageData.html = FAIL
 
 // We're much closer now. To fully pass this we need encoders for jpg
 // and gif, which is a low priority.
 BUG10318 WIN LINUX : LayoutTests/fast/canvas/toDataURL-supportedTypes.html = FAIL
 
 // More tests that fail because of masks not working properly.
 // New tests. We should fix these, but they don't need to block the current release
 BUG10319 WIN LINUX : LayoutTests/fast/backgrounds/mask-composite.html = FAIL
 BUG10319 WIN LINUX : LayoutTests/fast/backgrounds/repeat/mask-negative-offset-repeat.html = FAIL
 
@@ skipping 1092 matching lines @@
 
 // Regressions from WebKit merge to 40864
 // Likely just needs a rebaseline.
 BUG10421 LINUX : LayoutTests/fast/block/positioning/001.html = FAIL PASS
 
 // Regressions from WebKit merge 40875:41017
 BUG10426 LINUX : LayoutTests/fast/css-generated-content/beforeAfter-interdocument.html = FAIL
 // Selection highlight colors are wrong.
 BUG10426 LINUX : LayoutTests/fast/lists/drag-into-marker.html = FAIL
 
-// Flaky since the merge 41017:41057.
-BUG10428 WIN LINUX : LayoutTests/fast/canvas/fillrect_gradient.html = IMAGE
-
 // It's not clear that the test isn't wrong here. It believes that middle
 // aligning 15px Ahem should end up in a certain spot. But we have the
 // x-height correct and we're still one px off.
 BUG10429 LINUX : LayoutTests/css2.1/t100801-c544-valgn-01-d-ag.html = FAIL
 
 // New failures from Merge 41078:41149
 BUG10430 LINUX WIN : LayoutTests/fast/text/atsui-spacing-features.html = FAIL
 BUG10430 LINUX : LayoutTests/svg/W3C-SVG-1.1/text-intro-05-t.svg = FAIL
 BUG10430 LINUX WIN : LayoutTests/svg/text/text-fonts-01-t.svg = FAIL
 BUG10430 LINUX WIN : LayoutTests/svg/text/text-intro-05-t.svg = FAIL
 
 // New tests from merge 41181:41217
 
 // Regressions from merge 41217:41268
 // SVG Mask-related tests. Most likely result of http://trac.webkit.org/changeset/41266.
 BUG10434 LINUX : LayoutTests/svg/W3C-SVG-1.1/masking-intro-01-f.svg = FAIL
 
 // Regression from merge 41268:41286
-// We don't render linear gradient on text stroke.
-BUG10435 LINUX : LayoutTests/fast/canvas/canvas-text-alignment.html = FAIL
 // See above comment about this test on linux/win.
 BUG10435 MAC : LayoutTests/editing/selection/designmode-no-caret.html = FAIL
 // IMAGE+TEXT is flaky
 BUG10435 WIN DEBUG : LayoutTests/editing/selection/move-by-line-001.html = PASS TEXT
 
 // New tests added in the 41420:41447 merge that fail (just needs a new baseline):
 BUG10437 LINUX : LayoutTests/fast/css-generated-content/hit-test-generated-content.html = FAIL
 
 // Flakey. Not clear when it started, but it was before 3/9/09.
 // This test also started failing with the merge of March 25th 2009
@@ skipping 795 matching lines @@
 BUG27044 : LayoutTests/accessibility/aria-tab-roles.html = TEXT
 
 // WebKit 50517:50527
 BUG27044 : LayoutTests/accessibility/aria-combobox.html = TEXT
 
 // This one needs platform-specific results (vista/xp/win7)
 BUG10434 WIN : LayoutTests/svg/W3C-SVG-1.1/masking-intro-01-f.svg = IMAGE
 
 BUG_26969 MAC : LayoutTests/fast/forms/select-dirty-parent-pref-widths.html = MISSING
 BUG_26969 MAC : LayoutTests/fast/text/text-letter-spacing.html = MISSING