Remove a br tag from a keyboard overlay message.

BUG=none
TEST=Manually on the chromebook


Review URL: http://codereview.chromium.org/7584002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@95822 0039d316-1c4b-4281-b951-d872f2087c98

chrome/app/generated_resources.grd

@@ -12475,7 +12475,7 @@ Keep your key file in a safe place. You will need it to create new versions of y
         Keyboard Overlay
       </message>
       <message name="IDS_KEYBOARD_OVERLAY_INSTRUCTIONS" desc="The instructions for the keyboard overlay.">
-        Hold Control, Alt, or Shift to see keyboard&lt;br&gt;shortcuts for those modifiers.
+        Hold Control, Alt, or Shift to see keyboard shortcuts for those modifiers.
       </message>
       <message name="IDS_KEYBOARD_OVERLAY_INSTRUCTIONS_HIDE" desc="The instruction for hiding the keyboard overlay.">
         Type Ctrl+Alt+/ or Escape to hide

chrome/browser/resources/keyboard_overlay.css

@@ -27,7 +27,8 @@ body {
 
 .keyboard-overlay-instructions-text {
   -webkit-box-flex: 3;
-  margin-top: 13px;
+  margin: 13px auto 0;
+  max-width: 20em;
   text-align: center;
   vertical-align: middle;
 }