Move app_launcher.* out of chrome/browser/extensions and into apps/

chrome/chrome_browser_ui.gypi

Index: chrome/chrome_browser_ui.gypi
diff --git a/chrome/chrome_browser_ui.gypi b/chrome/chrome_browser_ui.gypi
index 5cc67ae8b2d0ffd23f36393d8490892327ac8224..e5c60abf207f4abfc08ea0578d6952c7db6ed552 100644
--- a/chrome/chrome_browser_ui.gypi
+++ b/chrome/chrome_browser_ui.gypi
@@ -74,6 +74,8 @@
         'browser/ui/android/chrome_http_auth_handler.cc',
         'browser/ui/android/chrome_http_auth_handler.h',
         'browser/ui/android/extensions/extension_install_dialog_android.cc',
+        'browser/ui/android/extensions/extension_install_ui_android.cc',
+        'browser/ui/android/extensions/extension_install_ui_android.h',
         'browser/ui/android/extensions/extension_view_android.cc',
         'browser/ui/android/extensions/extension_view_android.h',
         'browser/ui/android/external_protocol_dialog_android.cc',
@@ -842,6 +844,8 @@
         'browser/ui/crypto_module_password_dialog_openssl.cc',
         'browser/ui/extensions/application_launch.cc',
         'browser/ui/extensions/application_launch.h',
+        'browser/ui/extensions/extension_install_ui_default.cc',
+        'browser/ui/extensions/extension_install_ui_default.h',
         'browser/ui/extensions/extension_enable_flow.cc',
         'browser/ui/extensions/extension_enable_flow.h',
         'browser/ui/extensions/extension_enable_flow_delegate.h',
@@ -2554,6 +2558,8 @@
             'browser/ui/browser_tabstrip.h',
             'browser/ui/chrome_pages.cc',
             'browser/ui/chrome_pages.h',
+            'browser/ui/extensions/extension_install_ui_default.cc',
+            'browser/ui/extensions/extension_install_ui_default.h',
             'browser/ui/ntp_background_util.cc',
             'browser/ui/ntp_background_util.h',
             'browser/ui/sad_tab_helper.cc',