Introduce App Launcher for Windows.

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index 9fac166136664fd8c41dcc1d28d43ccea43c6127..0b9c4de7ac683d4a66ad9409c06a22e86891b954 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -3096,6 +3096,7 @@
         'browser/ui/views/action_box_menu.h',
         'browser/ui/views/app_menu_button_win.cc',
         'browser/ui/views/app_menu_button_win.h',
+        'browser/ui/views/app_list/app_list_controller_win.cc',
         'browser/ui/views/ash/balloon_collection_impl_ash.cc',
         'browser/ui/views/ash/balloon_collection_impl_ash.h',
         'browser/ui/views/ash/balloon_view_ash.cc',
@@ -4162,6 +4163,7 @@
         ['use_ash==1', {
           'sources': [
             'browser/ui/app_list/app_list_controller.h',
+            'browser/ui/app_list/app_list_controller.cc',
             'browser/ui/app_list/app_list_view_delegate.cc',
             'browser/ui/app_list/app_list_view_delegate.h',
             'browser/ui/app_list/apps_model_builder.cc',
@@ -4722,6 +4724,7 @@
             '../google_update/google_update.gyp:google_update',
             '../third_party/iaccessible2/iaccessible2.gyp:iaccessible2',
             '../third_party/isimpledom/isimpledom.gyp:isimpledom',
+            '../ui/app_list/app_list.gyp:app_list',
             '../ui/views/views.gyp:views',
           ],
           'export_dependent_settings': [
@@ -4730,6 +4733,17 @@
           'sources': [
             # Using built-in rule in vstudio for midl.
             'browser/history/history_indexer.idl',
+            'browser/ui/app_list/app_list_controller.h',
+            'browser/ui/app_list/app_list_controller.cc',
+            'browser/ui/app_list/app_list_view_delegate.cc',
+            'browser/ui/app_list/app_list_view_delegate.h',
+            'browser/ui/app_list/apps_model_builder.cc',
+            'browser/ui/app_list/apps_model_builder.h',
+            'browser/ui/app_list/chrome_app_list_item.h',
+            'browser/ui/app_list/extension_app_item.cc',
+            'browser/ui/app_list/extension_app_item.h',
+            'browser/ui/app_list/search_builder.cc',
+            'browser/ui/app_list/search_builder.h',
             'browser/ui/views/network_profile_bubble_view.cc',
             'browser/ui/views/network_profile_bubble_view.h',
             'browser/ui/webui/conflicts_ui.cc',