Move the parsing of app.launch related keys out of Extension class.

chrome/browser/ui/web_applications/web_app_ui.cc

Index: chrome/browser/ui/web_applications/web_app_ui.cc
diff --git a/chrome/browser/ui/web_applications/web_app_ui.cc b/chrome/browser/ui/web_applications/web_app_ui.cc
index 5684b508a6f5a98569b34e6e727c58b7d3f31c72..1f755df47ef6d1565df0acf18a853a2c8a267075 100644
--- a/chrome/browser/ui/web_applications/web_app_ui.cc
+++ b/chrome/browser/ui/web_applications/web_app_ui.cc
@@ -17,6 +17,7 @@
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/web_applications/web_app.h"
 #include "chrome/common/chrome_notification_types.h"
+#include "chrome/common/extensions/app_launch_manifest_handler.h"
 #include "chrome/common/extensions/extension.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_details.h"
@@ -396,7 +397,7 @@ void UpdateShortcutInfoForApp(const extensions::Extension& app,
                               ShellIntegration::ShortcutInfo* shortcut_info) {
   shortcut_info->extension_id = app.id();
   shortcut_info->is_platform_app = app.is_platform_app();
-  shortcut_info->url = GURL(app.launch_web_url());
+  shortcut_info->url = GURL(extensions::AppLaunchInfo::GetLaunchWebUrl(&app));
   shortcut_info->title = UTF8ToUTF16(app.name());
   shortcut_info->description = UTF8ToUTF16(app.description());
   shortcut_info->extension_path = app.path();