Fix a unit test leak....

chrome/browser/extensions/extension_menu_manager_unittest.cc

 // Copyright (c) 2010 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 <vector>
 
 #include "base/json/json_reader.h"
 #include "base/path_service.h"
 #include "base/scoped_temp_dir.h"
+#include "base/scoped_vector.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_menu_manager.h"
 #include "chrome/browser/extensions/extension_message_service.h"
 #include "chrome/browser/extensions/test_extension_prefs.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/test/testing_profile.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 16 matching lines @@
     ExtensionMenuItem::Type type = ExtensionMenuItem::NORMAL;
     ExtensionMenuItem::ContextList contexts(ExtensionMenuItem::ALL);
     ExtensionMenuItem::ContextList enabled_contexts = contexts;
     return new ExtensionMenuItem(extension->id(), "test", false, type, contexts,
                                  enabled_contexts);
   }
 
   // Creates and returns a test Extension. The caller does *not* own the return
   // value.
   Extension* AddExtension(std::string name) {
-    return prefs_.AddExtension(name);
+    Extension* extension = prefs_.AddExtension(name);
+    extensions_.push_back(extension);
+    return extension;
   }
 
  protected:
   ExtensionMenuManager manager_;
+  ScopedVector<Extension> extensions_;
   TestExtensionPrefs prefs_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ExtensionMenuManagerTest);
 };
 
 // Tests adding, getting, and removing items.
 TEST_F(ExtensionMenuManagerTest, AddGetRemoveItems) {
   Extension* extension = AddExtension("test");
 
@@ skipping 334 matching lines @@
   ASSERT_EQ(params.page_url.spec(), tmp);
 
   std::wstring wide_tmp;
   ASSERT_TRUE(info->GetString(L"selectionText", &wide_tmp));
   ASSERT_EQ(params.selection_text, wide_tmp);
 
   bool bool_tmp = true;
   ASSERT_TRUE(info->GetBoolean(L"editable", &bool_tmp));
   ASSERT_EQ(params.is_editable, bool_tmp);
 }