renderer: implement multiple permission requesting

content/browser/permissions/permission_service_impl.cc

 // Copyright 2014 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/browser/permissions/permission_service_impl.h"
 
 #include "base/bind.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/permission_manager.h"
 #include "content/public/browser/permission_type.h"
@@ skipping 113 matching lines @@
       permission_type,
       context_->render_frame_host(),
       request_id,
       GURL(origin),
       user_gesture, // TODO(mlamouri): should be removed (crbug.com/423770)
       base::Bind(&PermissionServiceImpl::OnRequestPermissionResponse,
                  weak_factory_.GetWeakPtr(),
                  request_id));
 }
 
+void PermissionServiceImpl::RequestPermissions(
+    mojo::Array<PermissionName> permissions,
+    const mojo::String& origin,
+    bool user_gesture,
+    const PermissionsStatusCallback& callback) {
+  NOTIMPLEMENTED();
+
+  // TODO(lalitm,mlamouri): this is returning the current permission statuses
+  // in order for the call to successfully return. It will be changed later.
+  // See https://crbug.com/516626
+  mojo::Array<PermissionStatus> result(permissions.size());
+  for (size_t i = 0; i < permissions.size(); ++i)
+    result[i] = GetPermissionStatusFromName(permissions[i], GURL(origin));
+  callback.Run(result.Pass());
+}
+
 void PermissionServiceImpl::OnRequestPermissionResponse(
     int request_id,
     PermissionStatus status) {
   PendingRequest* request = pending_requests_.Lookup(request_id);
   PermissionStatusCallback callback(request->callback);
   request->callback.reset();
   pending_requests_.Remove(request_id);
   callback.Run(status);
 }
 
@@ skipping 145 matching lines @@
 
   PermissionStatusCallback callback = subscription->callback;
 
   subscription->callback.reset();
   pending_subscriptions_.Remove(pending_subscription_id);
 
   callback.Run(status);
 }
 
 }  // namespace content