BrowserSample: Fix control style.

Added definitions to show which control is focused.

samples/webview-samples/browser/browser.css

@@ -31,14 +31,22 @@ button[disabled]:hover {
 }
 
 button:hover,
-input[type="submit"]:hover {
+input[type="submit"]:hover,
+button:focus,
+input[type="submit"]:focus {
   border-color: #ccc;
   background: -webkit-linear-gradient(bottom, #cccccc 0%, #f2f2f2 99%);
 }
 
+button:focus,
+input[type="submit"]:focus {
+  border-style: outset;
+}
+
 button:active,
 input[type="submit"]:active {
   border-color: #bbb;
+  border-style: solid;
   background: -webkit-linear-gradient(bottom, #e2e2e2 0%, #bbbbbb 99%);
 }
 

samples/webview-samples/browser/manifest.json

@@ -2,7 +2,7 @@
   "manifest_version": 2,
   "name": "Browser Sample",
   "minimum_chrome_version": "24.0.1307.0",
-  "version": "2.3.1",
+  "version": "2.3.2",
   "icons": {
     "16": "icon_16.png",
     "128": "icon_128.png"