browser: implement multiple permission requesting

content/shell/browser/layout_test/layout_test_permission_manager.cc

Index: content/shell/browser/layout_test/layout_test_permission_manager.cc
diff --git a/content/shell/browser/layout_test/layout_test_permission_manager.cc b/content/shell/browser/layout_test/layout_test_permission_manager.cc
index e354f7b700e33da8ca06c6c1fafdba0363b2f31b..fbd2e6e8118c502b75422f3d77328edea24333b7 100644
--- a/content/shell/browser/layout_test/layout_test_permission_manager.cc
+++ b/content/shell/browser/layout_test/layout_test_permission_manager.cc
@@ -76,11 +76,28 @@ int LayoutTestPermissionManager::RequestPermission(
   return kNoPendingOperation;
 }
 
-void LayoutTestPermissionManager::CancelPermissionRequest(
-    PermissionType permission,
-    RenderFrameHost* render_frame_host,
-    int request_id,
-    const GURL& requesting_origin) {
+int LayoutTestPermissionManager::RequestPermissions(
+    const std::vector<PermissionType>& permissions,
+    content::RenderFrameHost* render_frame_host,
+    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 kNoPendingOperation;
+}
+
+void LayoutTestPermissionManager::CancelPermissionRequest(int request_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 }