Re-enable NewTabUIStartupTest.PerfRefWarm on Linux. Roll to a new

DEPS

 vars = {
   "webkit_trunk":
     "http://svn.webkit.org/repository/webkit/trunk",
   "webkit_revision": "51390",
   "ffmpeg_revision": "30374",
   "chromium_git": "http://src.chromium.org/git",
 }
 
 deps = {
   "src/breakpad/src":
@@ skipping 81 matching lines @@
     Var("webkit_trunk") + "/LayoutTests/http/tests/workers@" +
     Var("webkit_revision"),
   "src/chrome/test/data/layout_tests/LayoutTests/http/tests/xmlhttprequest":
     Var("webkit_trunk") + "/LayoutTests/http/tests/xmlhttprequest@" +
     Var("webkit_revision"),
   "src/chrome/test/data/layout_tests/LayoutTests/storage/domstorage":
     Var("webkit_trunk") + "/LayoutTests/storage/domstorage@" +
     Var("webkit_revision"),
 
   "src/chrome/tools/test/reference_build":
-    "/trunk/deps/reference_builds@30141",
+    "/trunk/deps/reference_builds@33150",
 }
 
 
 deps_os = {
   "win": {
     "src/third_party/cygwin":
       "/trunk/deps/third_party/cygwin@11984",
 
     "src/third_party/python_24":
       "/trunk/deps/third_party/python_24@22967",
@@ skipping 117 matching lines @@
                "$matching_files"],
   },
   {
     # Workaround XCode dependecies problem.
     # TODO(bradnelson): remove this when fixed.
     "pattern": ".",
     "action": ["python",
                "src/build/mac/clobber_generated_headers.py"],
   },
 ]