Revert of Revert of Add AwAssets into android_webview/native/public

android_webview/native/aw_media_url_interceptor.cc

 // 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.
 
 #include <string>
 
 #include "android_webview/common/url_constants.h"
-#include "android_webview/native/aw_assets.h"
 #include "android_webview/native/aw_media_url_interceptor.h"
+#include "android_webview/native/public/aw_assets.h"
 #include "base/strings/string_util.h"
 #include "content/public/common/url_constants.h"
 
 namespace android_webview {
 
 bool AwMediaUrlInterceptor::Intercept(const std::string& url,
               int* fd, int64* offset, int64* size) const{
   const std::string asset_file_prefix(
       std::string(url::kFileScheme) +
       std::string(url::kStandardSchemeSeparator) +
       android_webview::kAndroidAssetPath);
 
   if (StartsWithASCII(url, asset_file_prefix, true)) {
     std::string filename(url);
     ReplaceFirstSubstringAfterOffset(&filename, 0, asset_file_prefix, "");
     return AwAssets::OpenAsset(filename, fd, offset, size);
   }
 
   return false;
 }
 
 }  // namespace android_webview