GTK: First draft of using native themes, partially based on evan's CL 118358.

chrome/browser/gtk/browser_toolbar_gtk.h

 // 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.
 
 #ifndef CHROME_BROWSER_GTK_BROWSER_TOOLBAR_GTK_H_
 #define CHROME_BROWSER_GTK_BROWSER_TOOLBAR_GTK_H_
 
 #include <gtk/gtk.h>
 #include <string>
 
@@ skipping 60 matching lines @@
                const NotificationDetails& details);
 
   Profile* profile() { return profile_; }
   void SetProfile(Profile* profile);
 
   // Message that we should react to a state change.
   void UpdateTabContents(TabContents* contents, bool should_restore_state);
 
   ToolbarStarToggleGtk* star() { return star_.get(); }
 
+  // Alerts us that the theme changed, and we might need to change theme images.
+  void UserChangedTheme();
+
   // Implement AutocompletePopupPositioner, return the position of where the
   // Omnibox results popup should go (from the star to the go buttons).
   virtual gfx::Rect GetPopupBounds() const;
 
  private:
   // Builds a toolbar button with all the properties set.
   // |spacing| is the width of padding (in pixels) on the left and right of the
   // button.
   CustomDrawButton* BuildToolbarButton(int normal_id,
                                        int active_id,
                                        int highlight_id,
                                        int depressed_id,
-                                       const std::string& localized_tooltip);
+                                       const std::string& localized_tooltip,
+                                       const char* stock_id);
 
   // Create the star button given the tooltip.  Returns the widget created.
   ToolbarStarToggleGtk* BuildStarButton(const std::string& localized_tooltip);
 
   // Create a menu for the toolbar given the icon id and tooltip.  Returns the
   // widget created.
   GtkWidget* BuildToolbarMenuButton(
       int icon_id,
       const std::string& localized_tooltip,
       OwnedWidgetGtk* owner);
@@ skipping 62 matching lines @@
   // Controls whether or not a home button should be shown on the toolbar.
   BooleanPrefMember show_home_button_;
 
   // The event state the last time we observed a button release event.
   int last_release_event_flags_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserToolbarGtk);
 };
 
 #endif  // CHROME_BROWSER_GTK_BROWSER_TOOLBAR_GTK_H_