Make launching apps from shelf more intuitive

chrome/browser/ui/extensions/application_launch.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/extensions/application_launch.h"
 
 #include <string>
 
 #include "apps/launcher.h"
 #include "base/macros.h"
@@ skipping 210 matching lines @@
   return web_contents;
 }
 
 WebContents* OpenApplicationTab(const AppLaunchParams& launch_params,
                            const GURL& url) {
   const Extension* extension = GetExtension(launch_params);
   CHECK(extension);
   Profile* const profile = launch_params.profile;
   WindowOpenDisposition disposition = launch_params.disposition;
 
-  Browser* browser = chrome::FindTabbedBrowser(profile, false);
+  Browser* browser = chrome::FindTabbedBrowserOnDisplay(
+      profile, false, launch_params.display_id);
   WebContents* contents = NULL;
   if (!browser) {
     // No browser for this profile, need to open a new one.
     //
     // TODO(erg): AppLaunchParams should pass user_gesture from the extension
     // system to here.
     browser =
         new Browser(Browser::CreateParams(Browser::TYPE_TABBED, profile, true));
     browser->window()->Show();
     // There's no current tab in this browser window, so add a new one.
@@ skipping 174 matching lines @@
   extensions::TabHelper::FromWebContents(tab)->UpdateShortcutOnLoadComplete();
 
   return tab;
 }
 
 bool CanLaunchViaEvent(const extensions::Extension* extension) {
   const extensions::Feature* feature =
       extensions::FeatureProvider::GetAPIFeature("app.runtime");
   return feature && feature->IsAvailableToExtension(extension).is_available();
 }