ChromeFrame HTTP requests would randomly fail if we navigated to multiple HTT...

chrome_frame/chrome_active_document.cc

 // Copyright (c) 2009 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.
 
 // Implementation of ChromeActiveDocument
 #include "chrome_frame/chrome_active_document.h"
 
 #include <hlink.h>
 #include <htiface.h>
 #include <mshtmcid.h>
@@ skipping 121 matching lines @@
     }
   }
   return IOleObjectImpl<ChromeActiveDocument>::DoVerb(verb,
                                                       msg,
                                                       active_site,
                                                       index,
                                                       parent_window,
                                                       pos);
 }
 
-STDMETHODIMP ChromeActiveDocument::InPlaceDeactivate(void) {
-  // Release the pointers we have no need for now.
-  doc_site_.Release();
-  in_place_frame_.Release();
-  return IOleInPlaceObjectWindowlessImpl<ChromeActiveDocument>::
-             InPlaceDeactivate();
-}
-
 // Override IOleInPlaceActiveObjectImpl::OnDocWindowActivate
 STDMETHODIMP ChromeActiveDocument::OnDocWindowActivate(BOOL activate) {
   DLOG(INFO) << __FUNCTION__;
   return S_OK;
 }
 
 STDMETHODIMP ChromeActiveDocument::TranslateAccelerator(MSG* msg) {
   DLOG(INFO) << __FUNCTION__;
   if (msg == NULL)
     return E_POINTER;
@@ skipping 131 matching lines @@
 
 HRESULT ChromeActiveDocument::IOleObject_SetClientSite(
     IOleClientSite* client_site) {
   if (client_site == NULL) {
     ChromeActiveDocument* cached_document = g_active_doc_cache.Get();
     if (cached_document) {
       DCHECK(this == cached_document);
       g_active_doc_cache.Set(NULL);
       cached_document->Release();
     }
+
+    ScopedComPtr<IDocHostUIHandler> doc_host_handler;
+    doc_host_handler.QueryFrom(doc_site_);
+
+    if (doc_host_handler.get()) {
+      doc_host_handler->HideUI();
+    }
+
+    doc_site_.Release();
+    in_place_frame_.Release();
   }
   return Base::IOleObject_SetClientSite(client_site);
 }
 
 
 HRESULT ChromeActiveDocument::ActiveXDocActivate(LONG verb) {
   HRESULT hr = S_OK;
   m_bNegotiatedWnd = TRUE;
   if (!m_bInPlaceActive) {
     hr = m_spInPlaceSite->CanInPlaceActivate();
@@ skipping 497 matching lines @@
   ScopedComPtr<IBrowserService> browser_service;
   DoQueryService(SID_SShellBrowser, m_spClientSite, browser_service.Receive());
   if (browser_service) {
     ScopedComPtr<ITravelLog> travel_log;
     browser_service->GetTravelLog(travel_log.Receive());
     if (travel_log) {
       travel_log->Travel(browser_service, offset);
     }
   }
 }