[WebView] Move files from native to browser

android_webview/native/android_protocol_handler.h

-// Copyright (c) 2012 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_ANDROID_PROTOCOL_HANDLER_H_
-#define ANDROID_WEBVIEW_NATIVE_ANDROID_PROTOCOL_HANDLER_H_
-
-#include <memory>
-
-#include "base/android/jni_android.h"
-
-namespace net {
-class URLRequestInterceptor;
-}  // namespace net
-
-namespace android_webview {
-
-// These methods create interceptors for Android WebView-specific schemes:
-//
-//  - "content:" scheme is used for accessing data from Android content
-//    providers, see http://developer.android.com/guide/topics/providers/
-//      content-provider-basics.html#ContentURIs
-std::unique_ptr<net::URLRequestInterceptor>
-CreateContentSchemeRequestInterceptor();
-
-//  - "file:" scheme extension for accessing application assets and resources
-//    (file:///android_asset/ and file:///android_res/), see
-//    http://developer.android.com/reference/android/webkit/
-//      WebSettings.html#setAllowFileAccess(boolean)
-std::unique_ptr<net::URLRequestInterceptor> CreateAssetFileRequestInterceptor();
-
-bool RegisterAndroidProtocolHandler(JNIEnv* env);
-
-}  // namespace android_webview
-
-#endif  // ANDROID_WEBVIEW_NATIVE_ANDROID_PROTOCOL_HANDLER_H_