Move NPAPI implementation out of webkit/plugins/npapi and into content.

webkit/plugins/npapi/gtk_plugin_container_manager.h

-// Copyright (c) 2011 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.
-
-#ifndef WEBKIT_PLUGINS_NPAPI_GTK_PLUGIN_CONTAINER_MANAGER_H_
-#define WEBKIT_PLUGINS_NPAPI_GTK_PLUGIN_CONTAINER_MANAGER_H_
-
-#include <gtk/gtk.h>
-#include <map>
-
-#include "ui/gfx/native_widget_types.h"
-#include "webkit/plugins/webkit_plugins_export.h"
-
-typedef struct _GtkWidget GtkWidget;
-
-namespace webkit {
-namespace npapi {
-
-struct WebPluginGeometry;
-
-// Helper class that creates and manages plugin containers (GtkSocket).
-class WEBKIT_PLUGINS_EXPORT GtkPluginContainerManager {
- public:
-  GtkPluginContainerManager();
-  ~GtkPluginContainerManager();
-
-  // Sets the widget that will host the plugin containers. Must be a GtkFixed.
-  void set_host_widget(GtkWidget *widget) { host_widget_ = widget; }
-
-  // Creates a new plugin container, for a given plugin XID.
-  GtkWidget* CreatePluginContainer(gfx::PluginWindowHandle id);
-
-  // Destroys a plugin container, given the plugin XID.
-  void DestroyPluginContainer(gfx::PluginWindowHandle id);
-
-  // Takes an update from WebKit about a plugin's position and side and moves
-  // the plugin accordingly.
-  void MovePluginContainer(const WebPluginGeometry& move);
-
- private:
-  // Maps a plugin XID to the corresponding container widget.
-  GtkWidget* MapIDToWidget(gfx::PluginWindowHandle id);
-
-  // Maps a container widget to the corresponding plugin XID.
-  gfx::PluginWindowHandle MapWidgetToID(GtkWidget* widget);
-
-  // Callback for when the plugin container gets realized, at which point it
-  // plugs the plugin XID.
-  static void RealizeCallback(GtkWidget *widget, void *user_data);
-
-  // Parent of the plugin containers.
-  GtkWidget* host_widget_;
-
-  // A map that associates plugin containers to the plugin XID.
-  typedef std::map<gfx::PluginWindowHandle, GtkWidget*> PluginWindowToWidgetMap;
-  PluginWindowToWidgetMap plugin_window_to_widget_map_;
-};
-
-}  // namespace npapi
-}  // namespace webkit
-
-#endif  // WEBKIT_PLUGINS_NPAPI_GTK_PLUGIN_CONTAINER_MANAGER_H_