[Android WebView] Call shouldInterceptRequest on a background thread

android_webview/native/aw_contents_background_thread_client.cc

 // Copyright 2015 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/native/aw_locale_manager_impl.h"
+#include "android_webview/native/aw_contents_background_thread_client.h"
 
-#include "android_webview/native/aw_contents.h"
+#include "jni/AwContentsBackgroundThreadClient_jni.h"
 
 namespace android_webview {
 
-AwLocaleManagerImpl::AwLocaleManagerImpl() {
+// static
+base::android::ScopedJavaLocalRef<jobject>
+AwContentsBackgroundThreadClient::shouldInterceptRequest(
+    JNIEnv* env,
+    jobject obj,
+    jstring url,
+    jboolean isMainFrame,
+    jboolean hasUserGesture,
+    jstring method,
+    jobjectArray requestHeaderNames,
+    jobjectArray requestHeaderValues) {
+  return Java_AwContentsBackgroundThreadClient_shouldInterceptRequestFromNative(
+      env, obj, url, isMainFrame, hasUserGesture, method, requestHeaderNames,
+      requestHeaderValues);
 }
 
-AwLocaleManagerImpl::~AwLocaleManagerImpl() {
-}
-
-std::string AwLocaleManagerImpl::GetLocale() {
-  return AwContents::GetLocale();
+bool RegisterAwContentsBackgroundThreadClient(JNIEnv* env) {
+  return RegisterNativesImpl(env);
 }
 
 }  // namespace android_webview