Enable the ChromeFrame IHttpNegotiate patch for all IE versions. Ensure that ...

chrome_frame/bho.cc

 // 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.
 
 #include "chrome_frame/bho.h"
 
 #include <shlguid.h>
 
 #include "base/file_path.h"
 #include "base/logging.h"
@@ skipping 344 matching lines @@
   }
 }
 
 bool PatchHelper::InitializeAndPatchProtocolsIfNeeded() {
   bool ret = false;
 
   _pAtlModule->m_csStaticDataInitAndTypeInfo.Lock();
 
   if (state_ == UNKNOWN) {
     g_trans_hooks.InstallHooks();
-    // IE9 sends the short user agent by default. To enable websites to
-    // identify and send content specific to chrome frame we need the
-    // negotiate patch which adds the user agent to outgoing requests.
-    if (GetIEVersion() == IE_9) {
-      HttpNegotiatePatch::Initialize();
-    }
+    HttpNegotiatePatch::Initialize();
     state_ = PATCH_PROTOCOL;
     ret = true;
   }
 
   _pAtlModule->m_csStaticDataInitAndTypeInfo.Unlock();
 
   return ret;
 }
 
 void PatchHelper::PatchBrowserService(IBrowserService* browser_service) {
   DCHECK(state_ == PATCH_IBROWSER);
   if (!IS_PATCHED(IBrowserService)) {
     vtable_patch::PatchInterfaceMethods(browser_service,
                                         IBrowserService_PatchInfo);
   }
 }
 
 void PatchHelper::UnpatchIfNeeded() {
   if (state_ == PATCH_PROTOCOL) {
     g_trans_hooks.RevertHooks();
     if (GetIEVersion() == IE_9) {
       HttpNegotiatePatch::Uninitialize();
     }
   }
   state_ = UNKNOWN;
 }