chrome://os-credits "show license" links tripping over CSP restrictions.

BUG=chromium-os:23898
TEST=go to chrome://os-credits and click on "show license"
Review URL: http://codereview.chromium.org/8869008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113527 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/ui/webui/chrome_url_data_manager_backend.cc

@@ -64,8 +64,9 @@ class ChromeURLContentSecurityPolicyExceptionSet
     insert(chrome::kChromeUIInputWindowDialogHost);
     insert(chrome::kChromeUINewTabHost);
 #if defined(OS_CHROMEOS)
-    insert(chrome::kChromeUIOobeHost);
     insert(chrome::kChromeUIMobileSetupHost);
+    insert(chrome::kChromeUIOobeHost);
+    insert(chrome::kChromeUIOSCreditsHost);
     insert(chrome::kChromeUIProxySettingsHost);
     insert(chrome::kChromeUIRegisterPageHost);
     insert(chrome::kChromeUISimUnlockHost);