Remove TYPE_EXTENSION_APP. Experiment failed.

chrome/browser/views/frame/browser_frame_win.cc

Index: chrome/browser/views/frame/browser_frame_win.cc
diff --git a/chrome/browser/views/frame/browser_frame_win.cc b/chrome/browser/views/frame/browser_frame_win.cc
index 22fb3cce629ca797c498d48cda510ccab623f434..0ce28b9bdb1f102718cafedb9976e90886d17687 100644
--- a/chrome/browser/views/frame/browser_frame_win.cc
+++ b/chrome/browser/views/frame/browser_frame_win.cc
@@ -111,9 +111,6 @@ bool BrowserFrameWin::AlwaysUseNativeFrame() const {
   if (browser_view_->IsBrowserTypePanel())
     return false;
 
-  if (browser_view_->browser()->type() == Browser::TYPE_EXTENSION_APP)
-    return false;
-
   // We don't theme popup or app windows, so regardless of whether or not a
   // theme is active for normal browser windows, we don't want to use the custom
   // frame for popups/apps.