Clearly label incognito profiles in the appcache-internals webui.

content/browser/appcache/appcache_internals_ui.cc

 // Copyright 2015 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 "content/browser/appcache/appcache_internals_ui.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
@@ skipping 395 matching lines @@
   Proxy* proxy =
       GetProxyForPartitionPath(base::FilePath::FromUTF8Unsafe(partition_path));
   if (proxy)
     proxy->RequestFileDetails(
         {manifest_url, ToInt64(group_id_str), ToInt64(response_id_str)});
 }
 
 void AppCacheInternalsUI::OnAllAppCacheInfoReady(
     scoped_refptr<AppCacheInfoCollection> collection,
     const base::FilePath& partition_path) {
+  std::string incognito_path_prefix;
+  if (browser_context()->IsOffTheRecord())
+    incognito_path_prefix = "Incognito ";
   web_ui()->CallJavascriptFunction(
       kFunctionOnAllAppCacheInfoReady,
-      base::StringValue(partition_path.AsUTF8Unsafe()),
+      base::StringValue(incognito_path_prefix + partition_path.AsUTF8Unsafe()),
       *GetListValueFromAppCacheInfoCollection(collection.get()));
 }
 
 void AppCacheInternalsUI::OnAppCacheInfoDeleted(
     const base::FilePath& partition_path,
     const std::string& manifest_url,
     bool deleted) {
   web_ui()->CallJavascriptFunction(
       kFunctionOnAppCacheInfoDeleted,
       base::StringValue(partition_path.AsUTF8Unsafe()),
@@ skipping 67 matching lines @@
     const base::FilePath& partition_path) {
   for (const scoped_refptr<Proxy>& proxy : appcache_proxies_) {
     if (proxy->partition_path_ == partition_path)
       return proxy.get();
   }
   NOTREACHED();
   return nullptr;
 }
 
 }  // namespace content