Fix header guard and namespace in android_webview

android_webview/browser/net/aw_cookie_store_wrapper.h

 // Copyright 2016 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.
 
+#ifndef ANDROID_WEBVIEW_BROWSER_NET_AW_COOKIE_STORE_WRAPPER_H_
+#define ANDROID_WEBVIEW_BROWSER_NET_AW_COOKIE_STORE_WRAPPER_H_
+
 #include <string>
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "base/task_runner.h"
 #include "base/time/time.h"
@@ skipping 105 matching lines @@
 
   // Runs |callback|. Used to prevent callbacks from being invoked after the
   // AwCookieStoreWrapper has been destroyed.
   void RunClosureCallback(const base::Closure& callback);
 
   scoped_refptr<base::SingleThreadTaskRunner> client_task_runner_;
 
   base::WeakPtrFactory<AwCookieStoreWrapper> weak_factory_;
 };
 
-}  // namesspace android_webview
+}  // namespace android_webview
+
+#endif  // ANDROID_WEBVIEW_BROWSER_NET_AW_COOKIE_STORE_WRAPPER_H_