Add AwAssets into android_webview/native/public

android_webview/native/public/aw_assets.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_AW_ASSETS_H_
-#define ANDROID_WEBVIEW_NATIVE_AW_ASSETS_H_
+#ifndef ANDROID_WEBVIEW_NATIVE_PUBLIC_AW_ASSETS_H_
+#define ANDROID_WEBVIEW_NATIVE_PUBLIC_AW_ASSETS_H_
 
 #include <string>
 
 #include "base/android/jni_android.h"
 #include "base/posix/global_descriptors.h"
 
 namespace android_webview {
 namespace AwAssets {
 
 // Called by native to retrieve an asset (e.g. a .pak file) from the apk.
 // Returns: true in case of success, false otherwise.
 // Output arguments:
 // - |fd|: file descriptor to the apk. The caller takes the ownership.
 // - |offset|: offset in bytes from the start of the file
 // - |size|: size in bytes of the asset / resource.
 bool OpenAsset(const std::string& filename,
                int* fd,
                int64* offset,
                int64* size);
 
 bool RegisterAssetWithGlobalDescriptors(base::GlobalDescriptors::Key key,
                                         const std::string& asset_filename);
 
 }  // namespace AwAssets
 
 bool RegisterAwAssets(JNIEnv* env);
 
 }  // namsespace android_webview
 
-#endif  // ANDROID_WEBVIEW_NATIVE_AW_ASSETS_H_
+#endif  // ANDROID_WEBVIEW_NATIVE_PUBLIC_AW_ASSETS_H_