Fixed Keyboard overlay overridden keys alignment

Remap the <Search> key to <Escape> in chrome://settings/keyboard-overlay and
acknowledge that the <Search> key proudly shows the "Esc" aligned to the left.

BUG=302912

Review URL: https://codereview.chromium.org/25512004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226521 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/resources/chromeos/keyboard_overlay.js

@@ -439,8 +439,8 @@ function update(modifiers) {
       shortcutText.style.visibility = 'hidden';
     }
 
-    if (keyData.format) {
-      var format = keyData.format;
+    var format = keyboardGlyphData.keys[layout[i][0]].format;
+    if (format) {
       if (format == 'left' || format == 'right') {
         shortcutText.style.textAlign = format;
         keyText.style.textAlign = format;