arc: Hide app list view on ARC app launch.

chrome/browser/ui/app_list/chrome_app_list_item.cc

Index: chrome/browser/ui/app_list/chrome_app_list_item.cc
diff --git a/chrome/browser/ui/app_list/chrome_app_list_item.cc b/chrome/browser/ui/app_list/chrome_app_list_item.cc
index 24ca68d674c4793b73137a6363e6fbc3398fc5ae..aa892ab4561bd77907a1d89f68070739045194ef 100644
--- a/chrome/browser/ui/app_list/chrome_app_list_item.cc
+++ b/chrome/browser/ui/app_list/chrome_app_list_item.cc
@@ -12,6 +12,18 @@
 #include "ui/gfx/color_utils.h"
 #include "ui/gfx/image/image_skia_operations.h"
 
+namespace {
+
+AppListControllerDelegate* g_controller_for_test = nullptr;
+
+} // namespace
+
+// static
+void ChromeAppListItem::OverrideAppListControllerDelegateForTesting(
+    AppListControllerDelegate* controller) {
+  g_controller_for_test = controller;
+}
+
 // static
 gfx::ImageSkia ChromeAppListItem::CreateDisabledIcon(
     const gfx::ImageSkia& icon) {
@@ -56,6 +68,7 @@ void ChromeAppListItem::UpdatePositionFromOrdering() {
 }
 
 AppListControllerDelegate* ChromeAppListItem::GetController() {
-  return AppListService::Get(chrome::GetActiveDesktop())->
-      GetControllerDelegate();
+  return g_controller_for_test != nullptr ?
+      g_controller_for_test :
+      AppListService::Get(chrome::GetActiveDesktop())->GetControllerDelegate();
 }