Initial implementation of the <extensionoptions> GuestView tag

chrome/browser/guest_view/guest_view_base.cc

Index: chrome/browser/guest_view/guest_view_base.cc
diff --git a/chrome/browser/guest_view/guest_view_base.cc b/chrome/browser/guest_view/guest_view_base.cc
index 2b335016103e3249da6db11bd06b7678623008e5..b34d90b8518cd379881a33ab9c5698927a05f982 100644
--- a/chrome/browser/guest_view/guest_view_base.cc
+++ b/chrome/browser/guest_view/guest_view_base.cc
@@ -8,6 +8,7 @@
 #include "base/lazy_instance.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/guest_view/app_view/app_view_guest.h"
+#include "chrome/browser/guest_view/extension_options/extension_options_guest.h"
 #include "chrome/browser/guest_view/guest_view_constants.h"
 #include "chrome/browser/guest_view/guest_view_manager.h"
 #include "chrome/browser/guest_view/web_view/web_view_guest.h"
@@ -20,6 +21,7 @@
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/url_constants.h"
 #include "extensions/browser/event_router.h"
+#include "extensions/common/switches.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 
 using content::WebContents;
@@ -135,6 +137,12 @@ GuestViewBase* GuestViewBase::Create(
       return NULL;
     }
     return new AppViewGuest(browser_context, guest_instance_id);
+  } else if (view_type == ExtensionOptionsGuest::Type) {
+    if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
+        extensions::switches::kEnableEmbeddedExtensionOptions)) {
+      return NULL;
+    }
+    return new ExtensionOptionsGuest(browser_context, guest_instance_id);
   }
   NOTREACHED();
   return NULL;