Add ctrl+w accelerator to close bookmark manager for linux

chrome/browser/gtk/bookmark_manager_gtk.h

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.TIT
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_GTK_BOOKMARK_MANAGER_GTK_H_
 #define CHROME_BROWSER_GTK_BOOKMARK_MANAGER_GTK_H_
 
 #include <gtk/gtk.h>
 #include <vector>
 
@@ skipping 61 matching lines @@
  private:
   explicit BookmarkManagerGtk(Profile* profile);
 
   void InitWidgets();
   GtkWidget* MakeLeftPane();
   GtkWidget* MakeRightPane();
 
   // Set |window_|'s initial size, using its previous size if that was saved.
   void SetInitialWindowSize();
 
+  // Connects the ctrl-w accelerator to the window.
+  void ConnectAccelerators();
+
   // If |left|, then make the organize menu refer to that which is selected in
   // the left pane, otherwise use the right pane selection.
   void ResetOrganizeMenu(bool left);
 
   // Pack the data from the bookmark model into the stores. This does not
   // create the stores, which is done in Make{Left,Right}Pane().
   // This one should only be called once (when the bookmark model is loaded).
   void BuildLeftStore();
   // This one clears the old right pane and refills it with the contents of
   // whatever folder is selected on the left. It can be called multiple times.
@@ skipping 176 matching lines @@
   gboolean OnWindowStateChanged(GtkWidget* window, GdkEventWindowState* event);
 
   static gboolean OnWindowConfiguredThunk(GtkWidget* window,
                                           GdkEventConfigure* event,
                                           gpointer self) {
     return reinterpret_cast<BookmarkManagerGtk*>(self)->
         OnWindowConfigured(window, event);
   }
   gboolean OnWindowConfigured(GtkWidget* window, GdkEventConfigure* event);
 
+  // Handles an accelerator being pressed.
+  static gboolean OnGtkAccelerator(GtkAccelGroup* accel_group,
+                                   GObject* acceleratable,
+                                   guint keyval,
+                                   GdkModifierType modifier,
+                                   BookmarkManagerGtk* bookmark_manager);
+
   GtkWidget* window_;
   GtkWidget* search_entry_;
   Profile* profile_;
   BookmarkModel* model_;
   GtkWidget* paned_;
   GtkWidget* left_tree_view_;
   GtkWidget* right_tree_view_;
 
   enum {
     RIGHT_PANE_PIXBUF,
@@ skipping 35 matching lines @@
   // This is true while we are propagating a delayed mousedown. It is used to
   // tell the button press handler to ignore the event.
   bool sending_delayed_mousedown_;
 
   // This is used to avoid recursively calling our right click handler. It is
   // only true when a right click is already being handled.
   bool ignore_rightclicks_;
 };
 
 #endif  // CHROME_BROWSER_GTK_BOOKMARK_MANAGER_GTK_H_