Remove dependency of chrome in WebRequestPermissions.

extensions/browser/api/extensions_api_client.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 "extensions/browser/api/extensions_api_client.h"
 
 #include "base/logging.h"
 
 namespace extensions {
 class AppViewGuestDelegate;
@@ skipping 44 matching lines @@
     WebViewGuest* web_view_guest) const {
   return NULL;
 }
 
 WebViewPermissionHelperDelegate* ExtensionsAPIClient::
     CreateWebViewPermissionHelperDelegate(
         WebViewPermissionHelper* web_view_permission_helper) const {
   return NULL;
 }
 
+bool ExtensionsAPIClient:: MustNotBeModifiedURL(const GURL& url) {
+  return false;
+}
+
+const std::string ExtensionsAPIClient::WebStoreAppId() {
+  return std::string();
+}
+
 }  // namespace extensions