Propagates the search result of start page to the app-list search box.

chrome/browser/ui/app_list/app_list_view_delegate.cc

 // Copyright (c) 2012 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/app_list_view_delegate.h"
 
 #include <vector>
 
 #include "base/callback.h"
 #include "base/files/file_path.h"
@@ skipping 68 matching lines @@
 
 AppListViewDelegate::AppListViewDelegate(
     scoped_ptr<AppListControllerDelegate> controller,
     Profile* profile)
     : controller_(controller.Pass()),
       profile_(profile),
       model_(NULL) {
   CHECK(controller_);
   RegisterForNotifications();
   g_browser_process->profile_manager()->GetProfileInfoCache().AddObserver(this);
+  app_list::StartPageService* service =
+      app_list::StartPageService::Get(profile_);
+  if (service)
+    service->AddObserver(this);
 }
 
 AppListViewDelegate::~AppListViewDelegate() {
+  app_list::StartPageService* service =
+      app_list::StartPageService::Get(profile_);
+  if (service)
+    service->RemoveObserver(this);
   g_browser_process->
       profile_manager()->GetProfileInfoCache().RemoveObserver(this);
 }
 
 void AppListViewDelegate::RegisterForNotifications() {
   registrar_.RemoveAll();
   DCHECK(profile_);
 
   registrar_.Add(this, chrome::NOTIFICATION_GOOGLE_SIGNIN_SUCCESSFUL,
                  content::NotificationService::AllSources());
@@ skipping 157 matching lines @@
   Browser* browser = chrome::FindTabbedBrowser(profile_, false, desktop);
   chrome::ShowFeedbackPage(browser, std::string(),
                            chrome::kAppLauncherCategoryTag);
 }
 
 void AppListViewDelegate::ShowForProfileByPath(
     const base::FilePath& profile_path) {
   controller_->ShowForProfileByPath(profile_path);
 }
 
+void AppListViewDelegate::OnSearch(const base::string16& query) {
+  model_->search_box()->SetText(query);
+}
+
 void AppListViewDelegate::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   OnProfileChanged();
 }
 
 void AppListViewDelegate::OnProfileAdded(const base::FilePath& profile_path) {
   OnProfileChanged();
 }
@@ skipping 10 matching lines @@
 }
 
 content::WebContents* AppListViewDelegate::GetStartPageContents() {
   app_list::StartPageService* service =
       app_list::StartPageService::Get(profile_);
   if (!service)
     return NULL;
 
   return service->contents();
 }