Initial gtk3 support

chrome/browser/ui/libgtk2ui/gtk2_util.h

 // Copyright (c) 2012 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_UI_LIBGTK2UI_GTK2_UTIL_H_
 #define CHROME_BROWSER_UI_LIBGTK2UI_GTK2_UTIL_H_
 
 #include <gtk/gtk.h>
 #include <string>
 
@@ skipping 14 matching lines @@
 class Accelerator;
 }
 
 namespace libgtk2ui {
 
 void GtkInitFromCommandLine(const base::CommandLine& command_line);
 
 // Returns the name of the ".desktop" file associated with our running process.
 std::string GetDesktopName(base::Environment* env);
 
-// Show the image for the given menu item, even if the user's default is to not
-// show images. Only to be used for favicons or other menus where the image is
-// crucial to its functionality.
-void SetAlwaysShowImage(GtkWidget* image_menu_item);
-
 guint GetGdkKeyCodeForAccelerator(const ui::Accelerator& accelerator);
 
 GdkModifierType GetGdkModifierForAccelerator(
     const ui::Accelerator& accelerator);
 
 // Translates event flags into plaform independent event flags.
 int EventFlagsFromGdkState(guint state);
 
 // Sets |dialog| as transient for |parent|, which will keep it on top and center
 // it above |parent|. Do nothing if |parent| is NULL.
 void SetGtkTransientForAura(GtkWidget* dialog, aura::Window* parent);
 
 // Gets the transient parent aura window for |dialog|.
 aura::Window* GetAuraTransientParent(GtkWidget* dialog);
 
 // Clears the transient parent for |dialog|.
 void ClearAuraTransientParent(GtkWidget* dialog);
 
-// Converts a NativeTheme state to a GtkStateType.
-GtkStateType GetGtkState(ui::NativeTheme::State state);
-
 }  // namespace libgtk2ui
 
 #endif  // CHROME_BROWSER_UI_LIBGTK2UI_GTK2_UTIL_H_