Disable testSpecialURLTabs for chrome://settings/clearBrowserData

Broken by r143885. Details in bug.

TBR=battre@chromium.org
BUG=134473
TEST=

Review URL: https://chromiumcodereview.appspot.com/10660009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@143956 0039d316-1c4b-4281-b951-d872f2087c98

chrome/test/functional/special_tabs.py

@@ -60,8 +60,9 @@ def GetSpecialAcceleratorTabs():
     'chrome://plugins': { 'title': 'Plug-ins' },
     'chrome://settings': { 'title': 'Settings' },
     'chrome://settings/autofill': { 'title': 'Settings - Autofill settings' },
-    'chrome://settings/clearBrowserData':
-      { 'title': 'Settings - Clear browsing data' },
+    # Broken by r143885. crbug.com/134473
+    # 'chrome://settings/clearBrowserData':
+    #  { 'title': 'Settings - Clear browsing data' },
     'chrome://settings/content': { 'title': 'Settings - Content settings' },
     'chrome://settings/languages':
       { 'title': 'Settings - Languages' },