aura: Explicitly disable GTK

base/message_pump_x.h

Index: base/message_pump_x.h
diff --git a/base/message_pump_x.h b/base/message_pump_x.h
index c13f323a64676396152404220838e2be03142862..cf41f8591bd4331a79f0738b00d5b340c448ce71 100644
--- a/base/message_pump_x.h
+++ b/base/message_pump_x.h
@@ -11,7 +11,6 @@
 #include <bitset>
 
 #include <glib.h>
-#include <gtk/gtk.h>
 
 typedef union _XEvent XEvent;
 typedef struct _XDisplay Display;
@@ -82,6 +81,7 @@ class BASE_EXPORT MessagePumpX : public MessagePumpGlib {
   static bool HasXInput2();
 
  private:
+#if 0
   // Some XEvent's can't be directly read from X event queue and will go
   // through GDK's dispatching process and may get discarded. This function
   // sets up a filter to intercept those XEvent's we are interested in
@@ -91,6 +91,7 @@ class BASE_EXPORT MessagePumpX : public MessagePumpGlib {
                                         gpointer data);
 
   static void EventDispatcherX(GdkEvent* event, gpointer data);
+#endif
 
   // Decides whether we are interested in processing this XEvent.
   bool ShouldCaptureXEvent(XEvent* event);
@@ -123,12 +124,14 @@ class BASE_EXPORT MessagePumpX : public MessagePumpGlib {
   // was captured and being processed by GDK (when |false|).
   bool dispatching_event_;
 
+#if 0
 #if ! GTK_CHECK_VERSION(2,18,0)
 // GDK_EVENT_LAST was introduced in GTK+ 2.18.0. For earlier versions, we pick a
 // large enough value (the value of GDK_EVENT_LAST in 2.18.0) so that it works
 // for all versions.
 #define GDK_EVENT_LAST 37
 #endif
+#endif
 
 // Ideally we would #include X.h for LASTEvent, but it brings in a lot of stupid
 // stuff (like Time, CurrentTime etc.) that messes up a lot of things. So define
@@ -139,7 +142,7 @@ class BASE_EXPORT MessagePumpX : public MessagePumpGlib {
   // table to quickly check if a particular event should be handled by us or if
   // it should be passed on to the default GDK handler.
   std::bitset<XLASTEvent> capture_x_events_;
-  std::bitset<GDK_EVENT_LAST> capture_gdk_events_;
+//  std::bitset<GDK_EVENT_LAST> capture_gdk_events_;
 
   DISALLOW_COPY_AND_ASSIGN(MessagePumpX);
 };