Don't show launcher or chrome://apps after adding a bookmark app.

chrome/browser/extensions/bookmark_app_helper.cc

 // Copyright 2014 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/extensions/bookmark_app_helper.h"
 
 #include <cctype>
 
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 428 matching lines @@
     creation_locations.in_quick_launch_bar = true;
     web_app::CreateShortcuts(web_app::SHORTCUT_CREATION_BY_USER,
                              creation_locations, current_profile, extension);
 #if defined(USE_ASH)
   } else {
     ChromeLauncherController::instance()->PinAppWithID(extension->id());
 #endif
   }
 #endif
 
-  // Show the newly installed app in the app launcher, in finder (on Mac) or
-  // chrome://apps.
-  if (IsAppLauncherEnabled()) {
-    AppListService::Get(desktop)
-        ->ShowForAppInstall(current_profile, extension->id(), false);
 #if defined(OS_MACOSX)
-  } else if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
+  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
                  switches::kDisableHostedAppShimCreation)) {
     web_app::RevealAppShimInFinderForApp(profile_, extension);
+  }
 #endif
-  } else {
-    chrome::NavigateParams params(current_profile,
-                                  GURL(chrome::kChromeUIAppsURL),
-                                  ui::PAGE_TRANSITION_LINK);
-    params.disposition = SINGLETON_TAB;
-    chrome::Navigate(&params);
-
-    content::NotificationService::current()->Notify(
-        chrome::NOTIFICATION_APP_INSTALLED_TO_NTP,
-        content::Source<content::WebContents>(params.target_contents),
-        content::Details<const std::string>(&extension->id()));
-  }
-
-  callback_.Run(extension, web_app_info_);

[jackhou1, 2015/02/18 02:56:10]

I think you still need to call this.

[benwells, 2015/02/18 03:10:44]

Done.

 }
 
 void BookmarkAppHelper::Observe(int type,
                                 const content::NotificationSource& source,
                                 const content::NotificationDetails& details) {
   switch (type) {
     case extensions::NOTIFICATION_CRX_INSTALLER_DONE: {
       const Extension* extension =
           content::Details<const Extension>(details).ptr();
       DCHECK(extension);
@@ skipping 59 matching lines @@
       extension, info_list, base::Bind(&OnIconsLoaded, web_app_info, callback));
 }
 
 bool IsValidBookmarkAppUrl(const GURL& url) {
   URLPattern origin_only_pattern(Extension::kValidWebExtentSchemes);
   origin_only_pattern.SetMatchAllURLs(true);
   return url.is_valid() && origin_only_pattern.MatchesURL(url);
 }
 
 }  // namespace extensions