Simplifies the structure of app_list search a bit.

chrome/browser/ui/app_list/search/app_result.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_result.h"
 
 #include "base/time/time.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_list/app_context_menu.h"
 #include "chrome/browser/ui/app_list/app_list_controller_delegate.h"
+#include "chrome/browser/ui/app_list/search/search_util.h"
 #include "chrome/browser/ui/extensions/extension_enable_flow.h"
 #include "chrome/browser/ui/webui/ntp/core_app_launcher_handler.h"
 #include "content/public/browser/user_metrics.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/browser/extension_system_provider.h"
 #include "extensions/browser/extensions_browser_client.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_icon_set.h"
@@ skipping 59 matching lines @@
   base::TimeDelta delta = current_time - last_launched;
   DCHECK_LE(0, delta.InSeconds());
   const int kSecondsInWeek = 60 * 60 * 24 * 7;
 
   // Set the relevance to a value between 0 and 1. This function decays as the
   // time delta increases and reaches a value of 0.5 at 1 week.
   set_relevance(1 / (1 + delta.InSecondsF() / kSecondsInWeek));
 }
 
 void AppResult::Open(int event_flags) {
+  RecordHistogram(APP_SEARCH_RESULT);
   const extensions::Extension* extension =
       extensions::ExtensionSystem::Get(profile_)->extension_service()
           ->GetInstalledExtension(app_id_);
   if (!extension)
     return;
 
   // Don't auto-enable apps that cannot be launched.
   if (!extensions::util::IsAppLaunchable(app_id_, profile_))
     return;
 
   // Check if enable flow is already running or should be started
   if (RunExtensionEnableFlow())
     return;
 
   CoreAppLauncherHandler::RecordAppListSearchLaunch(extension);
   content::RecordAction(
       base::UserMetricsAction("AppList_ClickOnAppFromSearch"));
 
   controller_->ActivateApp(
       profile_,
       extension,
       AppListControllerDelegate::LAUNCH_FROM_APP_LIST_SEARCH,
       event_flags);
 }
 
-void AppResult::InvokeAction(int action_index, int event_flags) {}
-
-scoped_ptr<ChromeSearchResult> AppResult::Duplicate() {
-  scoped_ptr<ChromeSearchResult> copy(
-      new AppResult(profile_, app_id_, controller_));
+scoped_ptr<SearchResult> AppResult::Duplicate() {
+  scoped_ptr<SearchResult> copy(new AppResult(profile_, app_id_, controller_));
   copy->set_title(title());
   copy->set_title_tags(title_tags());
 
   return copy.Pass();
 }
 
-ChromeSearchResultType AppResult::GetType() {
-  return APP_SEARCH_RESULT;
-}
-
 ui::MenuModel* AppResult::GetContextMenuModel() {
   if (!context_menu_) {
     context_menu_.reset(new AppContextMenu(
         this, profile_, app_id_, controller_));
     context_menu_->set_is_platform_app(is_platform_app_);
     context_menu_->set_is_search_result(true);
   }
 
   return context_menu_->GetMenuModel();
 }
@@ skipping 72 matching lines @@
 
   NotifyItemUninstalled();
 }
 
 void AppResult::OnShutdown(extensions::ExtensionRegistry* registry) {
   DCHECK_EQ(extension_registry_, registry);
   StopObservingExtensionRegistry();
 }
 
 }  // namespace app_list