Show a warning message if the cache might not be cleared between runs.

chrome/renderer/renderer_glue.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.
 
 // This file provides the embedder's side of random webkit glue functions.
 
 #include "build/build_config.h"
 
 #include <vector>
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include "app/clipboard/clipboard.h"
 #include "app/clipboard/scoped_clipboard_writer.h"
 #include "app/resource_bundle.h"
+#include "base/command_line.h"
 #include "base/file_version_info.h"
 #include "base/ref_counted.h"
 #include "base/string_util.h"
 #include "chrome/app/chrome_version_info.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/socket_stream_dispatcher.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/plugin/npobject_util.h"
 #include "chrome/renderer/net/renderer_net_predictor.h"
@@ skipping 246 matching lines @@
 
 std::string GetProductVersion() {
   scoped_ptr<FileVersionInfo> version_info(
       chrome_app::GetChromeVersionInfo());
   std::string product("Chrome/");
   product += version_info.get() ? WideToASCII(version_info->product_version())
                                 : "0.0.0.0";
   return product;
 }
 
+bool IsSingleProcess() {
+  return CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess);
+}
+
 }  // namespace webkit_glue