app_list: Add web store search.

chrome/browser/ui/app_list/search/search_controller.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/search_controller.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string_util.h"
 #include "chrome/browser/ui/app_list/search/app_search_provider.h"
 #include "chrome/browser/ui/app_list/search/chrome_search_result.h"
 #include "chrome/browser/ui/app_list/search/omnibox_provider.h"
 #include "chrome/browser/ui/app_list/search/search_provider.h"
+#include "chrome/browser/ui/app_list/search/webstore_provider.h"
 #include "ui/app_list/search_box_model.h"
 
 namespace app_list {
 
 SearchController::SearchController(Profile* profile,
                                    SearchBoxModel* search_box,
                                    AppListModel::SearchResults* results,
                                    AppListControllerDelegate* list_controller)
   : profile_(profile),
     search_box_(search_box),
     list_controller_(list_controller),
     dispatching_query_(false),
     mixer_(new Mixer(results)) {
   Init();
 }
 
 SearchController::~SearchController() {}
 
 void SearchController::Init() {
   mixer_->Init();
 
-  AddProvider(Mixer::MAIN_GROUP,
-              scoped_ptr<SearchProvider>(
-                  new AppSearchProvider(profile_, list_controller_)).Pass());
-  AddProvider(Mixer::OMNIBOX_GROUP,
-              scoped_ptr<SearchProvider>(new OmniboxProvider(profile_)).Pass());
-
-  // TODO(xiyuan): Add providers.
+  AddProvider(Mixer::MAIN_GROUP, scoped_ptr<SearchProvider>(

[James Cook, 2013/05/20 14:39:34]

I really like this approach of having a generic list of providers. Nice.

+      new AppSearchProvider(profile_, list_controller_)).Pass());
+  AddProvider(Mixer::OMNIBOX_GROUP, scoped_ptr<SearchProvider>(
+      new OmniboxProvider(profile_)).Pass());
+  AddProvider(Mixer::WEBSTORE_GROUP, scoped_ptr<SearchProvider>(
+      new WebstoreProvider(profile_)).Pass());
 }
 
 void SearchController::Start() {
   Stop();
 
   string16 query;
   TrimWhitespace(search_box_->text(), TRIM_ALL, &query);
 
   dispatching_query_ = true;
   for (Providers::iterator it = providers_.begin();
@@ skipping 46 matching lines @@
 }
 
 void SearchController::OnResultsChanged() {
   if (dispatching_query_)
     return;
 
   mixer_->MixAndPublish();
 }
 
 }  // namespace app_list