Ensure that the proper UA string is set while in incognito mode....

profile.cc

 // Copyright (c) 2006-2008 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/browser/profile.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/lock.h"
 #include "base/path_service.h"
@@ skipping 136 matching lines @@
       default_request_context_ = this;
     NotificationService::current()->Notify(
         NOTIFY_DEFAULT_REQUEST_CONTEXT_AVAILABLE,
         NotificationService::AllSources(), NotificationService::NoDetails());
 
     // Register for notifications about prefs.
     prefs_->AddPrefObserver(prefs::kAcceptLanguages, this);
     prefs_->AddPrefObserver(prefs::kCookieBehavior, this);
   }
 
-  const std::string& GetUserAgent(
-        const GURL& url) const {
+  const std::string& GetUserAgent(const GURL& url) const {
     return webkit_glue::GetUserAgent(url);
   }
 
   // NotificationObserver implementation.
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details) {
     if (NOTIFY_PREF_CHANGED == type) {
       std::wstring* pref_name_in = Details<std::wstring>(details).ptr();
       PrefService* prefs = Source<PrefService>(source).ptr();
@@ skipping 87 matching lines @@
         prefs_->GetInteger(prefs::kCookieBehavior)));
     accept_language_ = original_context_->accept_language();
     accept_charset_ = original_context_->accept_charset();
     is_off_the_record_ = true;
 
     // Register for notifications about prefs.
     prefs_->AddPrefObserver(prefs::kAcceptLanguages, this);
     prefs_->AddPrefObserver(prefs::kCookieBehavior, this);
   }
 
+  const std::string& GetUserAgent(const GURL& url) const {
+    return original_context_->GetUserAgent(url);
+  }
+
   // Since OffTheRecordProfileImpl maybe be destroyed after destroying
   // PrefService, but all PrefService observers are needed to clear in
   // before destroying PrefService. So we use to CleanupBeforeDestroy
   // to do this thing. This function need to be called on destructor
   // of ProfileImpl.
   void CleanupBeforeDestroy() {
     // Unregister for pref notifications.
     prefs_->RemovePrefObserver(prefs::kAcceptLanguages, this);
     prefs_->RemovePrefObserver(prefs::kCookieBehavior, this);
     prefs_ = NULL;
@@ skipping 694 matching lines @@
 }
 
 #ifdef CHROME_PERSONALIZATION
 ProfilePersonalization* ProfileImpl::GetProfilePersonalization() {
   if (!personalization_.get())
     personalization_.reset(
         Personalization::CreateProfilePersonalization(this));
   return personalization_.get();
 }
 #endif