x11: Remove MessagePumpObserver.
Convert the last ramining instances of MessagePumpObservers into
PlatformEventObservers, and remove support for MessagePumpObservers
from non-Windows platforms.
BUG=354062
R=sky@chromium.org
TBR=darin@chromium.org
Review URL: https://codereview.chromium.org/233653002
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@263158 0039d316-1c4b-4281-b951-d872f2087c98
CrOS-Libchrome-Original-Commit: e10f5fe11f4e034f7e12bd5cf4ab0a9d11bb8639
diff --git a/base/message_loop/message_loop.h b/base/message_loop/message_loop.h
index a56de80..6539c65 100644
--- a/base/message_loop/message_loop.h
+++ b/base/message_loop/message_loop.h
@@ -93,8 +93,7 @@
//
class BASE_EXPORT MessageLoop : public MessagePump::Delegate {
public:
-
-#if defined(USE_AURA)
+#if defined(OS_WIN)
typedef MessagePumpObserver Observer;
#elif defined(USE_GTK_MESSAGE_PUMP)
typedef MessagePumpGdkObserver Observer;
@@ -577,10 +576,8 @@
void Start();
#endif
-#if !defined(OS_NACL) && (defined(TOOLKIT_GTK) || \
- defined(OS_WIN) || defined(USE_X11))
- // Please see message_pump_win/message_pump_glib for definitions of these
- // methods.
+#if !defined(OS_NACL) && defined(OS_WIN)
+ // Please see message_pump_win for definitions of these methods.
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
#endif