arc-app-launcher: Minimal support for ARC app launcher.

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 a92b49b6a5e0dd1cbdd3ad0ffd34933bd4aa9c5e..d76c13ffc210a1e70c48c3453bb97ba1d462fc1b 100644
--- a/chrome/chrome_browser_ui.gypi
+++ b/chrome/chrome_browser_ui.gypi
@@ -723,6 +723,19 @@
       'browser/ui/views/select_file_dialog_extension_factory.cc',
       'browser/ui/views/select_file_dialog_extension_factory.h',
     ],
+    # ARC-only sources.
+    'chrome_browser_ui_chromeos_arc_sources': [
+      'browser/ui/app_list/arc/arc_app_icon.cc',
+      'browser/ui/app_list/arc/arc_app_icon.h',
+      'browser/ui/app_list/arc/arc_app_item.cc',
+      'browser/ui/app_list/arc/arc_app_item.h',
+      'browser/ui/app_list/arc/arc_app_list_prefs_factory.cc',
+      'browser/ui/app_list/arc/arc_app_list_prefs_factory.h',
+      'browser/ui/app_list/arc/arc_app_list_prefs.cc',
+      'browser/ui/app_list/arc/arc_app_list_prefs.h',
+      'browser/ui/app_list/arc/arc_app_model_builder.cc',
+      'browser/ui/app_list/arc/arc_app_model_builder.h',
+    ],
     # ChromeOS sources that should not be included in the official build.
     'chrome_browser_ui_chromeos_non_official_sources': [
       'browser/ui/webui/chromeos/emulator/device_emulator_message_handler.cc',
@@ -2533,6 +2546,8 @@
       'browser/ui/app_list/app_list_controller_delegate_impl.h',
       'browser/ui/app_list/app_list_icon_win.cc',
       'browser/ui/app_list/app_list_icon_win.h',
+      'browser/ui/app_list/app_list_model_builder.cc',
+      'browser/ui/app_list/app_list_model_builder.h',
       'browser/ui/app_list/app_list_positioner.cc',
       'browser/ui/app_list/app_list_positioner.h',
       'browser/ui/app_list/app_list_prefs.cc',
@@ -2941,6 +2956,9 @@
             '../ui/chromeos/ui_chromeos.gyp:ui_chromeos_resources',
           ],
         }],
+        ['chromeos==1 and enable_arc == 1', {
+          'sources': [ '<@(chrome_browser_ui_chromeos_arc_sources)' ],
+        }],
         ['use_cups==1', {
           'dependencies': [
             '../printing/printing.gyp:cups',