Adding Wayland message loop and gyp build deps

base/message_pump_wayland.cc

+// Copyright (c) 2011 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 "base/message_pump_wayland.h"
+
+#include <glib.h>
+
+namespace base {
+
+MessagePumpWayland::MessagePumpWayland()
+    : MessagePumpGlib(),
+      context_(g_main_context_default()) {
+}
+
+MessagePumpWayland::~MessagePumpWayland() {
+}
+
+bool MessagePumpWayland::RunOnce(GMainContext* context, bool block) {
+  // g_main_context_iteration returns true if events have been dispatched.
+  return g_main_context_iteration(context, block);
+}
+
+MessagePumpObserver::EventStatus
+    MessagePumpObserver::WillProcessEvent(ui::WaylandEvent* event) {
+  return EVENT_CONTINUE;
+}
+
+}  // namespace base