Launch panels as popup windows in Aura, and add separate launcher icon logic for panels.

chrome/browser/extensions/extension_tab_helper.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_TAB_HELPER_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_TAB_HELPER_H_
 #pragma once
 
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/extensions/app_notify_channel_setup.h"
@@ skipping 48 matching lines @@
   // NOTE: this should only be manipulated before the tab is added to a browser.
   // TODO(sky): resolve if this is the right way to identify an app tab. If it
   // is, than this should be passed in the constructor.
   void SetExtensionApp(const Extension* extension);
 
   // Convenience for setting the app extension by id. This does nothing if
   // |extension_app_id| is empty, or an extension can't be found given the
   // specified id.
   void SetExtensionAppById(const std::string& extension_app_id);
 
+  // Set just the app icon, used by panels created by an extension.
+  void SetExtensionAppIconById(const std::string& extension_app_id);
+
   const Extension* extension_app() const { return extension_app_; }
   bool is_app() const { return extension_app_ != NULL; }
   const WebApplicationInfo& web_app_info() const {
     return web_app_info_;
   }
 
   // If an app extension has been explicitly set for this TabContents its icon
   // is returned.
   //
   // NOTE: the returned icon is larger than 16x16 (its size is
@@ skipping 35 matching lines @@
                              int return_route_id,
                              int callback_id);
   void OnRequest(const ExtensionHostMsg_Request_Params& params);
 
   // App extensions related methods:
 
   // Resets app_icon_ and if |extension| is non-null creates a new
   // ImageLoadingTracker to load the extension's image.
   void UpdateExtensionAppIcon(const Extension* extension);
 
+  const Extension* GetExtension(const std::string& extension_app_id);
+
   // ImageLoadingTracker::Observer.
   virtual void OnImageLoaded(const gfx::Image& image,
                              const std::string& extension_id,
                              int index) OVERRIDE;
 
   // WebstoreInlineInstaller::Delegate.
   virtual void OnInlineInstallSuccess(int install_id,
                                       int return_route_id) OVERRIDE;
   virtual void OnInlineInstallFailure(int install_id,
                                       int return_route_id,
@@ skipping 26 matching lines @@
 
   // Cached web app info data.
   WebApplicationInfo web_app_info_;
 
   TabContentsWrapper* wrapper_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionTabHelper);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_TAB_HELPER_H_