[WebView] Merge AwMetricsServiceClient and move few files to new place

android_webview/browser/net_init_native_callback.cc

Index: android_webview/browser/net_init_native_callback.cc
diff --git a/android_webview/browser/net_init_native_callback.cc b/android_webview/browser/net_init_native_callback.cc
deleted file mode 100644
index 821dac81ff46fb9d6c5913547684776e66a9f090..0000000000000000000000000000000000000000
--- a/android_webview/browser/net_init_native_callback.cc
+++ /dev/null
@@ -1,23 +0,0 @@
-// 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.
-
-#include "android_webview/browser/net/init_native_callback.h"
-
-#include "android_webview/browser/android_protocol_handler.h"
-#include "android_webview/browser/net/aw_url_request_job_factory.h"
-#include "net/url_request/url_request_interceptor.h"
-
-namespace android_webview {
-
-std::unique_ptr<net::URLRequestInterceptor>
-CreateAndroidAssetFileRequestInterceptor() {
-  return CreateAssetFileRequestInterceptor();
-}
-
-std::unique_ptr<net::URLRequestInterceptor>
-CreateAndroidContentRequestInterceptor() {
-  return CreateContentSchemeRequestInterceptor();
-}
-
-}  // namespace android_webview