Fix header guard and namespace in android_webview

android_webview/browser/permission/permission_request_handler_client.h

 // 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.
 
-#ifndef ANDROID_WEBVIEW_NATIVE_PERMISSION_PERMISSION_REQUEST_HANDLER_CLIENT_H
-#define ANDROID_WEBVIEW_NATIVE_PERMISSION_PERMISSION_REQUEST_HANDLER_CLIENT_H
+#ifndef ANDROID_WEBVIEW_BROWSER_PERMISSION_PERMISSION_REQUEST_HANDLER_CLIENT_H_
+#define ANDROID_WEBVIEW_BROWSER_PERMISSION_PERMISSION_REQUEST_HANDLER_CLIENT_H_
 
 #include "base/android/scoped_java_ref.h"
 
 namespace android_webview {
 
 class AwPermissionRequest;
 
 class PermissionRequestHandlerClient {
  public:
   PermissionRequestHandlerClient();
   virtual ~PermissionRequestHandlerClient();
 
   virtual void OnPermissionRequest(
       base::android::ScopedJavaLocalRef<jobject> java_request,
       AwPermissionRequest* request) = 0;
   virtual void OnPermissionRequestCanceled(AwPermissionRequest* request) = 0;
 };
 
-}  // namespace android_webivew
+}  // namespace android_webview
 
-#endif  // ANDROID_WEBVIEW_NATIVE_PERMISSION_PERMISSION_REQUEST_HANDLER_CLIENT_H
+#endif  // ANDROID_WEBVIEW_BROWSER_PERMISSION_PERMISSION_REQUEST_HANDLER_CLIENT_H_