Fix header guard and namespace in android_webview

android_webview/browser/permission/permission_request_handler.h

Index: android_webview/browser/permission/permission_request_handler.h
diff --git a/android_webview/browser/permission/permission_request_handler.h b/android_webview/browser/permission/permission_request_handler.h
index 2b443946c8d068dc57f47ef55d15ac1468fa673f..c70379805c60ca2037d318e3a94611490ab1a9f1 100644
--- a/android_webview/browser/permission/permission_request_handler.h
+++ b/android_webview/browser/permission/permission_request_handler.h
@@ -2,8 +2,8 @@
 // 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_H
-#define ANDROID_WEBVIEW_NATIVE_PERMISSION_PERMISSION_REQUEST_HANDLER_H
+#ifndef ANDROID_WEBVIEW_BROWSER_PERMISSION_PERMISSION_REQUEST_HANDLER_H_
+#define ANDROID_WEBVIEW_BROWSER_PERMISSION_PERMISSION_REQUEST_HANDLER_H_
 
 #include <stdint.h>
 
@@ -79,6 +79,6 @@ class PermissionRequestHandler : public content::WebContentsObserver {
   DISALLOW_COPY_AND_ASSIGN(PermissionRequestHandler);
 };
 
-}  // namespace android_webivew
+}  // namespace android_webview
 
-#endif  // ANDROID_WEBVIEW_NATIVE_PERMISSION_PERMISSION_REQUEST_HANDLER_H
+#endif  // ANDROID_WEBVIEW_BROWSER_PERMISSION_PERMISSION_REQUEST_HANDLER_H_