Chrome side of having the WebKit FileSystem API use WebPermissionClient for checking if using fil...

chrome/browser/renderer_host/chrome_render_message_filter.cc

 // Copyright (c) 2011 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 "chrome/browser/renderer_host/chrome_render_message_filter.h"
 
 #include "base/file_path.h"
 #include "base/metrics/histogram.h"
 #include "chrome/browser/automation/automation_resource_message_filter.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 341 matching lines @@
       url, CONTENT_SETTINGS_TYPE_COOKIES, "");
   *allowed = setting != CONTENT_SETTING_BLOCK;
   // If content was blocked, tell the UI to display the blocked content icon.
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       NewRunnableFunction(
           &TabSpecificContentSettings::DOMStorageAccessed,
           render_process_id_, render_view_id, url, type, !*allowed));
 }
 
+void ChromeRenderMessageFilter::OnAllowFileSystem(int render_view_id,
+                                                  const GURL& url,
+                                                  bool* allowed) {
+  
+  // TODO(kinuko): Need to notify the UI thread to indicate that
+  // there's a blocked content.  See the above for inspiration.
+  ContentSetting setting = host_content_settings_map_->GetContentSetting(
+      url, CONTENT_SETTINGS_TYPE_COOKIES, "");
+  DCHECK((setting == CONTENT_SETTING_ALLOW) ||
+         (setting == CONTENT_SETTING_BLOCK) ||
+         (setting == CONTENT_SETTING_SESSION_ONLY));
+  *allowed = setting != CONTENT_SETTING_BLOCK;
+}
+
 void ChromeRenderMessageFilter::OnAllowIndexedDB(int render_view_id,
                                                  const string16& origin_url,
                                                  const string16& name,
                                                  bool* allowed) {
   // TODO(jochen): This doesn't support file:/// urls properly. We probably need
   //               to add some toString method to WebSecurityOrigin that doesn't
   //               return null for them.
   WebSecurityOrigin origin(
       WebSecurityOrigin::createFromDatabaseIdentifier(origin_url));
   GURL url(origin.toString());
@@ skipping 37 matching lines @@
       reply_msg, url);
 }
 
 void ChromeRenderMessageFilter::OnSetCookie(const IPC::Message& message,
                                             const GURL& url,
                                             const GURL& first_party_for_cookies,
                                             const std::string& cookie) {
   AutomationResourceMessageFilter::SetCookiesForUrl(
       render_process_id_, message.routing_id(), url, cookie);
 }