Suspected fix for a tab image caching bug.

chrome/browser/ui/views/tabs/browser_tab_strip_controller.cc

 // Copyright (c) 2012 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/ui/views/tabs/browser_tab_strip_controller.h"
 
 #include "base/auto_reset.h"
 #include "base/macros.h"
 #include "base/task_runner_util.h"
 #include "base/threading/sequenced_worker_pool.h"
@@ skipping 356 matching lines @@
   // Use autocomplete to clean up the text, going so far as to turn it into
   // a search query if necessary.
   AutocompleteMatch match;
   AutocompleteClassifierFactory::GetForProfile(profile())->Classify(
       location, false, false, metrics::OmniboxEventProto::BLANK, &match, NULL);
   if (match.destination_url.is_valid())
     model_->delegate()->AddTabAt(match.destination_url, -1, true);
 }
 
 bool BrowserTabStripController::IsIncognito() {
-  return browser_->profile()->IsOffTheRecord();
+  return browser_->profile()->GetProfileType() == Profile::INCOGNITO_PROFILE;
 }
 
 void BrowserTabStripController::StackedLayoutMaybeChanged() {
   bool adjust_layout = false;
   bool stacked_layout = DetermineTabStripLayoutStacked(
       g_browser_process->local_state(), &adjust_layout);
   if (!adjust_layout || stacked_layout == tabstrip_->stacked_layout())
     return;
 
   g_browser_process->local_state()->SetBoolean(prefs::kTabStripStackedLayout,
@@ skipping 183 matching lines @@
   content::WebPluginInfo plugin;
   tabstrip_->FileSupported(
       url,
       mime_type.empty() || mime_util::IsSupportedMimeType(mime_type) ||
           content::PluginService::GetInstance()->GetPluginInfo(
               -1,                // process ID
               MSG_ROUTING_NONE,  // routing ID
               model_->profile()->GetResourceContext(), url, GURL(), mime_type,
               false, NULL, &plugin, NULL));
 }