Rename Launcher to Shelf.

ash/ash.gyp

Index: ash/ash.gyp
diff --git a/ash/ash.gyp b/ash/ash.gyp
index bb35400f41abc56f3900a5b492fb059e254d8b0d..b0f48631bde28768ab2241df7a9b0c5698edd312 100644
--- a/ash/ash.gyp
+++ b/ash/ash.gyp
@@ -156,8 +156,6 @@
         'keyboard_overlay/keyboard_overlay_view.h',
         'keyboard_uma_event_filter.cc',
         'keyboard_uma_event_filter.h',
-        'launcher/launcher.cc',
-        'launcher/launcher.h',
         'launcher/launcher_types.cc',
         'launcher/launcher_types.h',
         'magnifier/magnification_controller.cc',
@@ -201,6 +199,8 @@
         'shelf/overflow_button.cc',
         'shelf/overflow_button.h',
         'shelf/scoped_observer_with_duplicated_sources.h',
+        'shelf/shelf.cc',
+        'shelf/shelf.h',
         'shelf/shelf_alignment_menu.cc',
         'shelf/shelf_alignment_menu.h',
         'shelf/shelf_bezel_event_filter.cc',
@@ -647,10 +647,10 @@
         'ash_resources',
       ],
       'sources': [
-        'shell/toplevel_window.cc',
-        'shell/toplevel_window.h',
         'shell/keyboard_controller_proxy_stub.cc',
         'shell/keyboard_controller_proxy_stub.h',
+        'shell/toplevel_window.cc',
+        'shell/toplevel_window.h',
         'test/app_list_controller_test_api.cc',
         'test/app_list_controller_test_api.h',
         'test/ash_test_base.cc',
@@ -661,14 +661,14 @@
         'test/cursor_manager_test_api.h',
         'test/display_manager_test_api.cc',
         'test/display_manager_test_api.h',
-        'test/launcher_test_api.cc',
-        'test/launcher_test_api.h',
         'test/mirror_window_test_api.cc',
         'test/mirror_window_test_api.h',
         'test/overflow_bubble_view_test_api.cc',
         'test/overflow_bubble_view_test_api.h',
         'test/shelf_item_delegate_manager_test_api.cc',
         'test/shelf_item_delegate_manager_test_api.h',
+        'test/shelf_test_api.cc',
+        'test/shelf_test_api.h',
         'test/shelf_view_test_api.cc',
         'test/shelf_view_test_api.h',
         'test/shell_test_api.cc',
@@ -780,7 +780,6 @@
         'focus_cycler_unittest.cc',
         'keyboard_overlay/keyboard_overlay_delegate_unittest.cc',
         'keyboard_overlay/keyboard_overlay_view_unittest.cc',
-        'launcher/launcher_unittest.cc',
         'magnifier/magnification_controller_unittest.cc',
         'root_window_controller_unittest.cc',
         'screen_ash_unittest.cc',
@@ -792,6 +791,7 @@
         'shelf/shelf_model_unittest.cc',
         'shelf/shelf_navigator_unittest.cc',
         'shelf/shelf_tooltip_manager_unittest.cc',
+        'shelf/shelf_unittest.cc',
         'shelf/shelf_view_unittest.cc',
         'shelf/shelf_widget_unittest.cc',
         'shelf/shelf_window_watcher_unittest.cc',