Have Chrome Frame build its .idl artifacts into a sub-folder of SHARED_INTERMEDIATE_DIR, a global...

chrome_frame/chrome_frame_activex.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_FRAME_CHROME_FRAME_ACTIVEX_H_
 #define CHROME_FRAME_CHROME_FRAME_ACTIVEX_H_
 
 #include <atlbase.h>
 #include <atlcom.h>
 #include <atlctl.h>
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "chrome_frame/chrome_frame_activex_base.h"
+#include "chrome_frame/chrome_tab.h"
 #include "chrome_frame/com_type_info_holder.h"
 #include "grit/chrome_frame_resources.h"
 
-// Include without path to make GYP build see it.
-#include "chrome_tab.h"  // NOLINT
-
 #define WM_HOST_MOVED_NOTIFICATION (WM_APP + 1)
 
 // ChromeFrameActivex: Implementation of the ActiveX control that is
 // responsible for hosting a chrome frame, i.e. an iframe like widget which
 // hosts the the chrome window. This object delegates to Chrome.exe
 // (via the Chrome IPC-based automation mechanism) for the actual rendering.
 class ATL_NO_VTABLE ChromeFrameActivex
     : public ChromeFrameActivexBase<ChromeFrameActivex, CLSID_ChromeFrame>,
       public IObjectSafetyImpl<ChromeFrameActivex,
                                  INTERFACESAFE_FOR_UNTRUSTED_CALLER |
@@ skipping 104 matching lines @@
                  BSTR target);
 
   // Installs a hook on the top-level window hosting the control.
   HRESULT InstallTopLevelHook(IOleClientSite* client_site);
 
   // A hook attached to the top-level window containing the ActiveX control.
   HHOOK chrome_wndproc_hook_;
 };
 
 #endif  // CHROME_FRAME_CHROME_FRAME_ACTIVEX_H_