browser: implement multiple permission requesting

content/shell/browser/layout_test/layout_test_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/layout_test/layout_test_permission_manager.h"
 
 #include <list>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 58 matching lines @@
     const base::Callback<void(PermissionStatus)>& callback) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   callback.Run(GetPermissionStatus(
       permission, requesting_origin,
       WebContents::FromRenderFrameHost(render_frame_host)
           ->GetLastCommittedURL().GetOrigin()));
   return -1;
 }
 
+int LayoutTestPermissionManager::RequestPermissions(
+    const std::vector<PermissionType>& permissions,
+    content::RenderFrameHost* render_frame_host,
+    int request_id,
+    const GURL& requesting_origin,
+    bool user_gesture,
+    const base::Callback<void(
+        const std::vector<PermissionStatus>&)>& callback) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+
+  const GURL& embedding_origin =
+      WebContents::FromRenderFrameHost(render_frame_host)
+          ->GetLastCommittedURL().GetOrigin();
+  std::vector<PermissionStatus> result;
+  for (const auto& permission : permissions) {
+    result.push_back(GetPermissionStatus(
+        permission, requesting_origin, embedding_origin));
+  }
+  callback.Run(result);
+  return -1;
+}
+
 void LayoutTestPermissionManager::CancelPermissionRequest(
     RenderFrameHost* render_frame_host,
     int request_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 }
 
 void LayoutTestPermissionManager::ResetPermission(
     PermissionType permission,
     const GURL& requesting_origin,
     const GURL& embedding_origin) {
@@ skipping 105 matching lines @@
     // Add the callback to |callbacks| which will be run after the loop to
     // prevent re-entrance issues.
     callbacks.push_back(base::Bind(subscription->callback, status));
   }
 
   for (const auto& callback : callbacks)
     callback.Run();
 }
 
 }  // namespace content