Initial gtk3 support

chrome/browser/ui/libgtk2ui/gtk2_util.h

Index: chrome/browser/ui/libgtk2ui/gtk2_util.h
diff --git a/chrome/browser/ui/libgtk2ui/gtk2_util.h b/chrome/browser/ui/libgtk2ui/gtk2_util.h
index 0d8c4fdcd695646d54553c40b1420d4a13e75b42..0d867d3c5e6279269f31ea8be02b44b9e254a3d8 100644
--- a/chrome/browser/ui/libgtk2ui/gtk2_util.h
+++ b/chrome/browser/ui/libgtk2ui/gtk2_util.h
@@ -32,11 +32,6 @@ 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(
@@ -55,9 +50,6 @@ 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_