gtk: Move the enter/leave-notify-event handling to TabRendererGtk and hook up...

chrome/browser/gtk/tabs/tab_gtk.cc

Index: chrome/browser/gtk/tabs/tab_gtk.cc
===================================================================
--- chrome/browser/gtk/tabs/tab_gtk.cc	(revision 22256)
+++ chrome/browser/gtk/tabs/tab_gtk.cc	(working copy)
@@ -121,9 +121,9 @@
   g_signal_connect(G_OBJECT(event_box_), "button-release-event",
                    G_CALLBACK(OnMouseRelease), this);
   g_signal_connect(G_OBJECT(event_box_), "enter-notify-event",
-                   G_CALLBACK(OnEnterNotify), this);
+                   G_CALLBACK(OnEnterNotifyEvent), this);
   g_signal_connect(G_OBJECT(event_box_), "leave-notify-event",
-                   G_CALLBACK(OnLeaveNotify), this);
+                   G_CALLBACK(OnLeaveNotifyEvent), this);
   g_signal_connect_after(G_OBJECT(event_box_), "drag-begin",
                            G_CALLBACK(OnDragBegin), this);
   g_signal_connect_after(G_OBJECT(event_box_), "drag-end",
@@ -183,20 +183,6 @@
 }
 
 // static
-gboolean TabGtk::OnEnterNotify(GtkWidget* widget, GdkEventCrossing* event,
-                               TabGtk* tab) {
-  tab->OnMouseEntered();
-  return TRUE;
-}
-
-// static
-gboolean TabGtk::OnLeaveNotify(GtkWidget* widget, GdkEventCrossing* event,
-                               TabGtk* tab) {
-  tab->OnMouseExited();
-  return TRUE;
-}
-
-// static
 void TabGtk::OnDragBegin(GtkWidget* widget, GdkDragContext* context,
                          TabGtk* tab) {
   MessageLoopForUI::current()->AddObserver(tab);