renderer: implement multiple permission requesting

content/shell/browser/shell_permission_manager.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 "content/shell/browser/shell_permission_manager.h"
 
 #include "base/callback.h"
 #include "content/public/browser/permission_type.h"
 
 namespace content {
 
 ShellPermissionManager::ShellPermissionManager()
     : PermissionManager() {
 }
 
 ShellPermissionManager::~ShellPermissionManager() {
 }
 
 void ShellPermissionManager::RequestPermission(
     PermissionType permission,
     RenderFrameHost* render_frame_host,
     int request_id,
     const GURL& requesting_origin,
     bool user_gesture,
-    const base::Callback<void(PermissionStatus)>& callback) {
+    const RequestCallback& callback) {
   callback.Run(permission == PermissionType::GEOLOCATION
                    ? PERMISSION_STATUS_GRANTED : PERMISSION_STATUS_DENIED);
 }
 
+void ShellPermissionManager::RequestPermission(
+    const std::vector<PermissionType>& permissions,
+    content::RenderFrameHost* render_frame_host,
+    int request_id,
+    const GURL& requesting_origin,
+    bool user_gesture,
+    const BatchRequestCallback& callback) {
+  std::vector<PermissionStatus> statuses(permissions.size(),
+      PERMISSION_STATUS_DENIED);
+  for (size_t i = 0; i < permissions.size(); i++) {
+    statuses[i] = permissions[i] == PermissionType::GEOLOCATION

[mlamouri (slow - plz ping), 2015/09/02 11:36:42]

Same as above.

+        ? PERMISSION_STATUS_GRANTED : PERMISSION_STATUS_DENIED;
+  }
+  callback.Run(statuses);
+}
+
 void ShellPermissionManager::CancelPermissionRequest(
-    PermissionType permission,
     RenderFrameHost* render_frame_host,
-    int request_id,
-    const GURL& requesting_origin) {
+    int request_id) {
 }
 
 void ShellPermissionManager::ResetPermission(
     PermissionType permission,
     const GURL& requesting_origin,
     const GURL& embedding_origin) {
 }
 
 PermissionStatus ShellPermissionManager::GetPermissionStatus(
     PermissionType permission,
@@ skipping 14 matching lines @@
     const GURL& embedding_origin,
     const base::Callback<void(PermissionStatus)>& callback) {
   return -1;
 }
 
 void ShellPermissionManager::UnsubscribePermissionStatusChange(
     int subscription_id) {
 }
 
 }  // namespace content