GTK: Add a drag icon for site icon drags.

chrome/browser/gtk/location_bar_view_gtk.h

 // 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.
 
 #ifndef CHROME_BROWSER_GTK_LOCATION_BAR_VIEW_GTK_H_
 #define CHROME_BROWSER_GTK_LOCATION_BAR_VIEW_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include <map>
@@ skipping 260 matching lines @@
   void SetSiteTypeDragSource();
 
   GtkWidget* site_type_area() { return site_type_alignment_; }
 
   CHROMEGTK_CALLBACK_1(LocationBarViewGtk, gboolean, HandleExpose,
                        GdkEventExpose*);
   CHROMEGTK_CALLBACK_1(LocationBarViewGtk, gboolean, OnIconReleased,
                        GdkEventButton*);
   CHROMEGTK_CALLBACK_4(LocationBarViewGtk, void, OnIconDragData,
                        GdkDragContext*, GtkSelectionData*, guint, guint);
+  CHROMEGTK_CALLBACK_1(LocationBarViewGtk, void, OnIconDragBegin,
+                       GdkDragContext*);
+  CHROMEGTK_CALLBACK_1(LocationBarViewGtk, gboolean, OnDragIconExpose,
+                       GdkEventExpose*);
   CHROMEGTK_CALLBACK_1(LocationBarViewGtk, void, OnEntryBoxSizeAllocate,
                        GtkAllocation*);
   CHROMEGTK_CALLBACK_1(LocationBarViewGtk, gboolean, OnStarButtonPress,
                        GdkEventButton*);
 
   // Updates the site type area: changes the icon and shows/hides the EV
   // certificate information.
   void UpdateSiteTypeArea();
 
   // Sets the text that should be displayed in the info label and its associated
@@ skipping 35 matching lines @@
   // SSL state.
   GtkWidget* security_icon_event_box_;
   GtkWidget* ev_secure_icon_image_;
   GtkWidget* secure_icon_image_;
   GtkWidget* security_warning_icon_image_;
   GtkWidget* security_error_icon_image_;
   // An icon to the left of the address bar.
   GtkWidget* site_type_alignment_;
   GtkWidget* site_type_event_box_;
   GtkWidget* location_icon_image_;
+  OwnedWidgetGtk drag_icon_;
   bool enable_location_drag_;
   // TODO(pkasting): Split this label off and move the rest of the items to the
   // left of the address bar.
   GtkWidget* security_info_label_;
 
   // Content setting icons.
   OwnedWidgetGtk content_setting_hbox_;
   ScopedVector<ContentSettingImageViewGtk> content_setting_views_;
 
   // Extension page action icons.
@@ skipping 48 matching lines @@
   // Indicate if |tab_to_search_box_| should be shown.
   bool show_selected_keyword_;
 
   // Indicate if |tab_to_search_hint_| should be shown.
   bool show_keyword_hint_;
 
   DISALLOW_COPY_AND_ASSIGN(LocationBarViewGtk);
 };
 
 #endif  // CHROME_BROWSER_GTK_LOCATION_BAR_VIEW_GTK_H_