Rename Launcher to Shelf.

ash/ash.gyp

Index: ash/ash.gyp
diff --git a/ash/ash.gyp b/ash/ash.gyp
index 2c4f36eb83eac5a73b03693a484dbecde128fb62..4d7cde1e550c40ee53498accfa25a10d608b46d0 100644
--- a/ash/ash.gyp
+++ b/ash/ash.gyp
@@ -157,8 +157,6 @@
         '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',
@@ -203,6 +201,8 @@
         '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',
@@ -649,10 +649,10 @@
         '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',
@@ -663,14 +663,14 @@
         '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',
@@ -783,7 +783,6 @@
         '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',
@@ -795,6 +794,7 @@
         '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',