Rebaseline LayoutTests/svg/W3C-SVG-1.1/masking-mask-01-b-expected.png.

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 1061 matching lines @@
 
 BUG10306 LINUX : LayoutTests/svg/carto.net/combobox.svg = FAIL
 
 // There are a ugly room between black strokes and white painting of characters.
 BUG10307 WIN : LayoutTests/svg/W3C-SVG-1.1/filters-example-01-b.svg = FAIL
 
 // Linux pixeltest failure: slightly different shade of composited
 // alpha in bottom group.
 BUG10310 LINUX : LayoutTests/svg/W3C-SVG-1.1/masking-opacity-01-b.svg = FAIL
 
-// Image mismatch: some green blocks are not displayed.
-// Started to fail WebKit upstream change r49757, and probably related to it.
-BUG25175 : LayoutTests/svg/W3C-SVG-1.1/masking-mask-01-b.svg = IMAGE
-
 // Image mismatch since WebKit r49757.
 // The difference is hard to tell, but our gradation is slightly different
 // (blue is too strong on the gradation).
 // Pixel dump was updated on upstream but our rendering did not change.
 BUG25175 MAC : LayoutTests/svg/custom/grayscale-gradient-mask.svg = IMAGE
 
 //
 // -----------------------------------------------------------------
 // End of SVG tests
 // -----------------------------------------------------------------
@@ skipping 1919 matching lines @@
 
 // Slight breakage from Skia r447.  Needs rebaseline.
 
 BUG_SENORBLANCO WIN LINUX : LayoutTests/fast/backgrounds/svg-as-background-5.html = IMAGE
 BUG_SENORBLANCO WIN : LayoutTests/fast/overflow/scrollRevealButton.html = IMAGE
 BUG_SENORBLANCO WIN : LayoutTests/svg/transforms/text-with-pattern-with-svg-transform.svg = IMAGE
 
 // New failures from merge 51480:51511
 BUG_UKAI WIN LINUX : LayoutTests/svg/custom/mask-with-all-units.svg = FAIL
 BUG_UKAI WIN : LayoutTests/storage/domstorage/complex-keys.html = FAIL