Cleanup: Convert ASCIIToUTF16("") to string16().

webkit/plugins/npapi/plugin_list_unittest.cc

 // Copyright (c) 2011 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 "webkit/plugins/npapi/plugin_list.h"
 
+#include "base/string16.h"
 #include "base/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webkit/plugins/npapi/mock_plugin_list.h"
 
 namespace webkit {
 namespace npapi {
 
 namespace {
 
 bool Equals(const WebPluginInfo& a, const WebPluginInfo& b) {
@@ skipping 72 matching lines @@
 }
 
 TEST_F(PluginListTest, EmptyGroup) {
   std::vector<PluginGroup> groups;
   plugin_list_.GetPluginGroups(false, &groups);
   for (size_t i = 0; i < groups.size(); ++i)
     EXPECT_GE(1U, groups[i].web_plugin_infos().size());
 }
 
 TEST_F(PluginListTest, BadPluginDescription) {
-  WebPluginInfo plugin_3043(ASCIIToUTF16(""),
-                            FilePath(FILE_PATH_LITERAL("/myplugin.3.0.43")),
-                            ASCIIToUTF16(""),
-                            ASCIIToUTF16(""));
+  WebPluginInfo plugin_3043(
+      string16(), FilePath(FILE_PATH_LITERAL("/myplugin.3.0.43")),
+      string16(), string16());
   // Simulate loading of the plugins.
   plugin_list_.ClearPluginsToLoad();
   plugin_list_.AddPluginToLoad(plugin_3043);
   // Now we should have them in the state we specified above.
   plugin_list_.RefreshPlugins();
   std::vector<WebPluginInfo> plugins;
   plugin_list_.GetPlugins(&plugins);
   ASSERT_TRUE(Contains(plugins, plugin_3043));
 }
 
 TEST_F(PluginListTest, HardcodedGroups) {
   std::vector<PluginGroup> groups;
   plugin_list_.GetPluginGroups(true, &groups);
   ASSERT_EQ(2u, groups.size());
   EXPECT_EQ(1u, groups[0].web_plugin_infos().size());
   EXPECT_TRUE(groups[0].ContainsPlugin(FilePath(kBarPath)));
   EXPECT_EQ("bar.plugin", groups[0].identifier());
   EXPECT_EQ(1u, groups[1].web_plugin_infos().size());
   EXPECT_TRUE(groups[1].ContainsPlugin(FilePath(kFooPath)));
   EXPECT_EQ(kFooIdentifier, groups[1].identifier());
 }
 
 }  // namespace npapi
 }  // namespace webkit