Enable NeedsBraces check and fix some checkstyle issues.

android_webview/glue/java/src/com/android/webview/chromium/ResourcesContextWrapperFactory.java

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package com.android.webview.chromium;
 
 import android.content.ComponentCallbacks;
 import android.content.Context;
 import android.content.ContextWrapper;
 import android.view.LayoutInflater;
@@ skipping 56 matching lines @@
                 if (Context.LAYOUT_INFLATER_SERVICE.equals(name)) {
                     LayoutInflater i = (LayoutInflater) getBaseContext().getSystemService(name);
                     return i.cloneInContext(this);
                 } else {
                     return getBaseContext().getSystemService(name);
                 }
             }
 
             @Override
             public Context getApplicationContext() {
-                if (mApplicationContext == null)
+                if (mApplicationContext == null) {
                     mApplicationContext = get(ctx.getApplicationContext());
+                }
                 return mApplicationContext;
             }
 
             @Override
             public void registerComponentCallbacks(ComponentCallbacks callback) {
                 // We have to override registerComponentCallbacks and unregisterComponentCallbacks
                 // since they call getApplicationContext().[un]registerComponentCallbacks()
                 // which causes us to go into a loop.
                 ctx.registerComponentCallbacks(callback);
             }
 
             @Override
             public void unregisterComponentCallbacks(ComponentCallbacks callback) {
                 ctx.unregisterComponentCallbacks(callback);
             }
         };
     }
 }