Make app list recommendations into their own DisplayType.

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

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/app_list/search/app_search_provider.h"
 
 #include <string>
 
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/clock.h"
@@ skipping 67 matching lines @@
 }
 
 void AppSearchProvider::UpdateResults() {
   const TokenizedString query_terms(query_);
   bool show_recommendations = query_.empty();
   ClearResults();
 
   for (Apps::const_iterator app_it = apps_.begin();
        app_it != apps_.end();
        ++app_it) {
-    scoped_ptr<AppResult> result(
-        new AppResult(profile_, (*app_it)->app_id(), list_controller_));
+    scoped_ptr<AppResult> result(new AppResult(
+        profile_, (*app_it)->app_id(), list_controller_, show_recommendations));
     if (show_recommendations) {
       result->set_title((*app_it)->indexed_name().text());
       result->UpdateFromLastLaunched(clock_->Now(),
                                      (*app_it)->last_launch_time());
     } else {
       TokenizedStringMatch match;
       if (!match.Calculate(query_terms, (*app_it)->indexed_name()))
         continue;
 
       result->UpdateFromMatch((*app_it)->indexed_name(), match);
@@ skipping 36 matching lines @@
 
 void AppSearchProvider::OnExtensionUninstalled(
     content::BrowserContext* browser_context,
     const extensions::Extension* extension,
     extensions::UninstallReason reason) {
   RefreshApps();
   UpdateResults();
 }
 
 }  // namespace app_list