Revert "Refactor MessagePumpX to dispatch events inside of the source Dispatch function."

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 62597a28b25dc2ee1325f73d3c2e99adf3468eca..e6bb71c1d99118828a94e3e93226a904fc897507 100644
--- a/base/message_pump_x.h
+++ b/base/message_pump_x.h
@@ -45,6 +45,9 @@ class BASE_EXPORT MessagePumpX : public MessagePumpGlib {
   MessagePumpX();
   virtual ~MessagePumpX();
 
+  // Overridden from MessagePumpGlib:
+  virtual bool RunOnce(GMainContext* context, bool block) OVERRIDE;
+
   // Returns default X Display.
   static Display* GetDefaultXDisplay();
 
@@ -54,10 +57,6 @@ class BASE_EXPORT MessagePumpX : public MessagePumpGlib {
   // Sets the default dispatcher to process native events.
   static void SetDefaultDispatcher(MessagePumpDispatcher* dispatcher);
 
-  // Internal function. Called by the glib source dispatch function. Processes
-  // all available X events.
-  gboolean DispatchXEvents();
-
  private:
   // Initializes the glib event source for X.
   void InitXSource();