Adding MimeHandlerView.

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 f2a0a9b13459f947b937a1fb1f3da7dffefee597..bcaff8263d5a71dc889451619b8c6fd04b4186b1 100644
--- a/chrome/browser/guest_view/guest_view_base.cc
+++ b/chrome/browser/guest_view/guest_view_base.cc
@@ -10,6 +10,7 @@
 #include "chrome/browser/guest_view/app_view/app_view_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/mime_handler_view/mime_handler_view_guest.h"
 #include "chrome/browser/guest_view/web_view/web_view_guest.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/content_settings.h"
@@ -152,6 +153,9 @@ GuestViewBase* GuestViewBase::Create(
       return NULL;
     }
     return new AppViewGuest(browser_context, guest_instance_id);
+  } else if (view_type == MimeHandlerViewGuest::Type) {
+    // TODO(lazyboy): Guard this with a flag initially.
+    return new MimeHandlerViewGuest(browser_context, guest_instance_id);
   }
   NOTREACHED();
   return NULL;