Add the Play Store app search to the launcher.

chrome/browser/ui/app_list/search/arc_app_result.cc

Index: chrome/browser/ui/app_list/search/arc_app_result.cc
diff --git a/chrome/browser/ui/app_list/search/arc_app_result.cc b/chrome/browser/ui/app_list/search/arc_app_result.cc
index a0a6a3e59ca7fc1fa48b6e75e7038a3edd1e7a30..e1ed3cc69ffbb1c778f4a6ef1c486d0c98f963cc 100644
--- a/chrome/browser/ui/app_list/search/arc_app_result.cc
+++ b/chrome/browser/ui/app_list/search/arc_app_result.cc
@@ -66,8 +66,10 @@ std::unique_ptr<SearchResult> ArcAppResult::Duplicate() const {
 }
 
 ui::MenuModel* ArcAppResult::GetContextMenuModel() {
-  context_menu_.reset(new ArcAppContextMenu(
-      this, profile(), app_id(), controller()));
+  if (!context_menu_) {
+    context_menu_.reset(
+        new ArcAppContextMenu(this, profile(), app_id(), controller()));
+  }
   return context_menu_->GetMenuModel();
 }