Revert "Fix a ton of compiler warnings."

chrome/browser/gtk/back_forward_button_gtk.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/gtk/back_forward_button_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include "app/l10n_util.h"
 #include "base/message_loop.h"
@@ skipping 92 matching lines @@
 
 // static
 gboolean BackForwardButtonGtk::OnButtonPress(GtkWidget* widget,
     GdkEventButton* event, BackForwardButtonGtk* button) {
   if (event->button == 3)
     button->ShowBackForwardMenu();
 
   if (event->button != 1)
     return FALSE;
 
-  button->y_position_of_last_press_ = static_cast<int>(event->y);
+  button->y_position_of_last_press_ = event->y;
   MessageLoop::current()->PostDelayedTask(FROM_HERE,
       button->show_menu_factory_.NewRunnableMethod(
           &BackForwardButtonGtk::ShowBackForwardMenu),
       kMenuTimerDelay);
   return FALSE;
 }
 
 // static
 gboolean BackForwardButtonGtk::OnMouseMove(GtkWidget* widget,
     GdkEventMotion* event, BackForwardButtonGtk* button) {
   // If we aren't waiting to show the back forward menu, do nothing.
   if (button->show_menu_factory_.empty())
     return FALSE;
 
   // We only count moves about a certain threshold.
   GtkSettings* settings = gtk_widget_get_settings(widget);
   int drag_min_distance;
   g_object_get(settings, "gtk-dnd-drag-threshold", &drag_min_distance, NULL);
   if (event->y - button->y_position_of_last_press_ < drag_min_distance)
     return FALSE;
 
   // We will show the menu now. Cancel the delayed event.
   button->show_menu_factory_.RevokeAll();
   button->ShowBackForwardMenu();
   return FALSE;
 }