Create task_manager namespace and wrap classes related to TaskManager with it.

chrome/browser/task_manager/task_manager_util.h

+// Copyright 2013 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.
+
+#ifndef CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_UTIL_H_
+#define CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_UTIL_H_
+
+#include "base/basictypes.h"
+#include "base/string16.h"
+
+class Profile;
+
+namespace content {
+class WebContents;
+}
+
+namespace task_manager {
+
+namespace util {
+
+// Returns the appropriate message prefix ID for tabs and extensions,
+// reflecting whether they are apps or in incognito mode.
+int GetMessagePrefixID(bool is_app,
+                       bool is_extension,
+                       bool is_incognito,
+                       bool is_prerender,
+                       bool is_instant_overlay,
+                       bool is_background);
+
+// Returns the name of profle from InfoCache.
+string16 GetProfileNameFromInfoCache(Profile* profile);
+
+// Returns the title from web contents.
+string16 GetTitleFromWebContents(content::WebContents* web_contents);
+
+}  // namespace util
+
+}  // namespace task_manager
+
+#endif  // CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_UTIL_H_