Add "Get Themes" button to gtk options dialog.

chrome/browser/gtk/options/content_page_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_OPTIONS_CONTENT_PAGE_GTK_H_
 #define CHROME_BROWSER_GTK_OPTIONS_CONTENT_PAGE_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include "chrome/browser/options_page_base.h"
@@ skipping 27 matching lines @@
                                                ContentPageGtk* page);
 
   // Callback for the GTK theme button.
   static void OnGtkThemeButtonClicked(GtkButton* widget,
                                       ContentPageGtk* page);
 
   // Callback for reset default theme button.
   static void OnResetDefaultThemeButtonClicked(GtkButton* widget,
                                                ContentPageGtk* page);
 
+  // Callback for get themes button.
+  static void OnGetThemesButtonClicked(GtkButton* widget,
+                                       ContentPageGtk* page);
+
   // Callback for passwords exceptions button.
   static void OnPasswordsExceptionsButtonClicked(GtkButton* widget,
                                                  ContentPageGtk* page);
 
   // Callback for password radio buttons.
   static void OnPasswordRadioToggled(GtkToggleButton* widget,
                                      ContentPageGtk* page);
 
   // Callback for form autofill radio buttons.
   static void OnAutofillRadioToggled(GtkToggleButton* widget,
@@ skipping 15 matching lines @@
   BooleanPrefMember ask_to_save_form_autofill_;
 
   // Flag to ignore gtk callbacks while we are loading prefs, to avoid
   // then turning around and saving them again.
   bool initializing_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentPageGtk);
 };
 
 #endif  // CHROME_BROWSER_GTK_OPTIONS_CONTENT_PAGE_GTK_H_