Update WebKit to r52454.

TBR=darin
BUG=30792,30938,30939
TEST=none
Review URL: http://codereview.chromium.org/503075

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@35110 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -1,7 +1,7 @@
 vars = {
   "webkit_trunk":
     "http://svn.webkit.org/repository/webkit/trunk",
-  "webkit_revision": "52372",
+  "webkit_revision": "52454",
   "ffmpeg_revision": "34297",
   "skia_revision": "457",
   "chromium_git": "http://src.chromium.org/git",

webkit/tools/layout_tests/test_expectations.txt

@@ -3131,4 +3131,15 @@ BUG30825 WIN LINUX : LayoutTests/fast/dom/Element/id-in-deletebutton.html = TEXT
 BUG30826 WIN : LayoutTests/platform/win/fast/events/panScroll-imageMap-noHref-scroll.html = TEXT
 
 // Flaky
-BUG30930 LINUX : LayoutTests/tables/mozilla/bugs/bug15933.html = IMAGE PASS
+BUG30930 LINUX : LayoutTests/tables/mozilla/bugs/bug15933.html = IMAGE PASS
+
+// WebKit update 52372->52454
+BUG30938 MAC : LayoutTests/fast/backgrounds/svg-as-background-6.html = IMAGE
+BUG30938 : LayoutTests/svg/css/mask-with-shadow.svg = IMAGE
+BUG30938 WIN : LayoutTests/svg/custom/mask-excessive-malloc.svg = IMAGE
+BUG30938 WIN LINUX : LayoutTests/svg/custom/mask-inside-defs.svg = IMAGE
+BUG30938 WIN LINUX : LayoutTests/svg/custom/visibility-override-mask.svg = IMAGE
+BUG30938 WIN : LayoutTests/svg/W3C-SVG-1.1/masking-intro-01-f.svg = IMAGE
+BUG30939 WIN LINUX : LayoutTests/svg/custom/image-with-transform-clip-filter.svg = IMAGE
+BUG30939 : LayoutTests/svg/filters/filter-clip.svg = IMAGE+TEXT
+BUG30792 WIN LINUX : LayoutTests/fast/text/fake-italic.html = IMAGE+TEXT