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

chrome/browser/extensions/tab_helper.cc

Index: chrome/browser/extensions/tab_helper.cc
diff --git a/chrome/browser/extensions/tab_helper.cc b/chrome/browser/extensions/tab_helper.cc
index 941f339f597f0267c28adab00a11aa6c07a1fdd4..c1425d47dee7578b14c7d65ffbab11d2c4ba7cd1 100644
--- a/chrome/browser/extensions/tab_helper.cc
+++ b/chrome/browser/extensions/tab_helper.cc
@@ -26,6 +26,7 @@
 #include "chrome/browser/ui/web_applications/web_app_ui.h"
 #include "chrome/browser/web_applications/web_app.h"
 #include "chrome/common/chrome_notification_types.h"
+#include "chrome/common/extensions/app_launcher_info.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_icon_set.h"
@@ -156,7 +157,7 @@ bool TabHelper::CanCreateApplicationShortcuts() const {
 }
 
 void TabHelper::SetExtensionApp(const Extension* extension) {
-  DCHECK(!extension || extension->GetFullLaunchURL().is_valid());
+  DCHECK(!extension || AppLauncherInfo::GetFullLaunchURL(extension).is_valid());
   extension_app_ = extension;
 
   UpdateExtensionAppIcon(extension_app_);