Refactoring select popup on Mac....

chrome/browser/tab_contents/tab_contents_view_gtk.cc

 // Copyright (c) 2010 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/tab_contents/tab_contents_view_gtk.h"
 
 #include <gdk/gdk.h>
 #include <gdk/gdkkeysyms.h>
 #include <gtk/gtk.h>
 
@@ skipping 293 matching lines @@
                                                    last_mouse_down_.time));
   context_menu_->Init();
 
   gfx::Rect bounds;
   GetContainerBounds(&bounds);
   gfx::Point point = bounds.origin();
   point.Offset(params.x, params.y);
   context_menu_->Popup(point);
 }
 
+void TabContentsViewGtk::ShowPopupMenu(const gfx::Rect& bounds,
+                                       int item_height,
+                                       double item_font_size,
+                                       int selected_item,
+                                       const std::vector<WebMenuItem>& items,
+                                       bool right_aligned) {
+  // We are not using external popup menus on Linux, they are rendered by
+  // WebKit.
+  NOTREACHED();
+}
+
 // Render view DnD -------------------------------------------------------------
 
 void TabContentsViewGtk::StartDragging(const WebDropData& drop_data,
                                        WebDragOperationsMask ops,
                                        const SkBitmap& image,
                                        const gfx::Point& image_offset) {
   DCHECK(GetContentNativeView());
   drag_source_->StartDragging(drop_data, ops, &last_mouse_down_, image,
                               image_offset);
 }
@@ skipping 89 matching lines @@
   g_value_set_int(&value, child_x);
   gtk_container_child_set_property(GTK_CONTAINER(floating_container),
                                    widget, "x", &value);
 
   int child_y = std::max((allocation->height - requisition.height) / 2, 0);
   g_value_set_int(&value, child_y);
   gtk_container_child_set_property(GTK_CONTAINER(floating_container),
                                    widget, "y", &value);
   g_value_unset(&value);
 }