Merge branch 'tizen_5.0' into tizen_5.5

Change-Id: I9a43855f32b1354ddbce403583d949e675c58073

diff --cc src/common/task-queue.cpp
index 0f335a4,c743a78..ef58b5d
--- 1/src/common/task-queue.cpp
--- 2/src/common/task-queue.cpp
+++ b/src/common/task-queue.cpp
@@@ -71,8 -71,10 +71,9 @@@ void TaskQueue::Stop() 
  void TaskQueue::ScheduleWorkInMainThread(const std::function<void()>& work) {
    QueueData<void>* d = new QueueData<void>();
    d->work_callback_ = work;
 -
    if (!g_idle_add(WorkCallback<void>, d)) {
      LoggerE("g_idle_add failed");
+     delete d;
    }
  }