views: Finally get rid of the deprecated Menu2 API.

ui/views/views.gyp

Index: ui/views/views.gyp
diff --git a/ui/views/views.gyp b/ui/views/views.gyp
index 3af10e1c9cf5ff7d09da6302e93833659a27fa08..a0f612810283653d80f011f63a48e3550263e0f5 100644
--- a/ui/views/views.gyp
+++ b/ui/views/views.gyp
@@ -112,8 +112,6 @@
         'controls/menu/display_change_listener_aura.cc',
         'controls/menu/menu.cc',
         'controls/menu/menu.h',
-        'controls/menu/menu_2.cc',
-        'controls/menu/menu_2.h',
         'controls/menu/menu_config.cc',
         'controls/menu/menu_config.h',
         'controls/menu/menu_config_views.cc',
@@ -129,6 +127,9 @@
         'controls/menu/menu_host.h',
         'controls/menu/menu_host_root_view.cc',
         'controls/menu/menu_host_root_view.h',
+        'controls/menu/menu_image_util.cc',
+        'controls/menu/menu_image_util.h',
+        'controls/menu/menu_insertion_delegate.h',
         'controls/menu/menu_item_view.cc',
         'controls/menu/menu_item_view.h',
         'controls/menu/menu_listener.cc',
@@ -144,11 +145,8 @@
         'controls/menu/menu_separator_win.cc',
         'controls/menu/menu_win.cc',
         'controls/menu/menu_win.h',
-        'controls/menu/menu_wrapper.h',
         'controls/menu/native_menu_win.cc',
         'controls/menu/native_menu_win.h',
-        'controls/menu/menu_image_util.cc',
-        'controls/menu/menu_image_util.h',
         'controls/menu/submenu_view.cc',
         'controls/menu/submenu_view.h',
         'controls/message_box_view.cc',
@@ -550,9 +548,6 @@
         }],
         ['OS!="win"', {
           'sources!': [
-            'controls/menu/menu_wrapper.h',
-            'controls/menu/menu_2.cc',
-            'controls/menu/menu_2.h',
             'win/fullscreen_handler.cc',
             'win/fullscreen_handler.h',
             'win/hwnd_message_handler.cc',