Refactor the glib message-pump, and use it as the base for a gtk message pump and an X message pump.

chrome/browser/ui/views/tabs/dragged_tab_controller.cc

Index: chrome/browser/ui/views/tabs/dragged_tab_controller.cc
diff --git a/chrome/browser/ui/views/tabs/dragged_tab_controller.cc b/chrome/browser/ui/views/tabs/dragged_tab_controller.cc
index 298b2fcda6ef92e991c303d4f5a79e530f81be7d..31d6ec93fc6cb593044ef6bdb3e1c737c848ec9b 100644
--- a/chrome/browser/ui/views/tabs/dragged_tab_controller.cc
+++ b/chrome/browser/ui/views/tabs/dragged_tab_controller.cc
@@ -531,6 +531,11 @@ void DraggedTabController::DidProcessMessage(const MSG& msg) {
   if (msg.message == WM_KEYDOWN && msg.wParam == VK_ESCAPE)
     EndDrag(true);
 }
+#elif defined(TOUCH_UI)
+base::MessagePumpObserver::EventStatus
+    DraggedTabController::WillProcessXEvent(XEvent* xevent) {
+  return EVENT_CONTINUE;
+}
 #elif defined(TOOLKIT_USES_GTK)
 void DraggedTabController::WillProcessEvent(GdkEvent* event) {
 }