browser: implement multiple permission requesting

content/shell/browser/shell_permission_manager.cc

Index: content/shell/browser/shell_permission_manager.cc
diff --git a/content/shell/browser/shell_permission_manager.cc b/content/shell/browser/shell_permission_manager.cc
index 5869e3a94adf8e4420413e6c9fcf9dd16eac714c..c9d090c02f33e5c2b4d5ec553110d8d9690b55a4 100644
--- a/content/shell/browser/shell_permission_manager.cc
+++ b/content/shell/browser/shell_permission_manager.cc
@@ -27,6 +27,22 @@ int ShellPermissionManager::RequestPermission(
   return kNoPendingRequestOrSubscription;
 }
 
+int ShellPermissionManager::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) {
+  std::vector<PermissionStatus> result;
+  for (const auto& permission : permissions) {
+    result.push_back(permission == PermissionType::GEOLOCATION
+        ? PERMISSION_STATUS_GRANTED : PERMISSION_STATUS_DENIED);
+  }
+  callback.Run(result);
+  return kNoPendingRequestOrSubscription;
+}
+
 void ShellPermissionManager::CancelPermissionRequest(int request_id) {
 }