Fix a brace style according to the style guide.

Review URL: https://codereview.chromium.org/188723005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255637 0039d316-1c4b-4281-b951-d872f2087c98

android_webview/java/src/org/chromium/android_webview/AwContents.java

@@ -1764,8 +1764,9 @@ public class AwContents {
      * @see android.webkit.WebView#clearFormData()
      */
     public void hideAutofillPopup() {
-        if (mAwAutofillManagerDelegate != null)
+        if (mAwAutofillManagerDelegate != null) {
             mAwAutofillManagerDelegate.hideAutofillPopup();
+        }
     }
 
     public void setNetworkAvailable(boolean networkUp) {