Replace string16 with base::string16 in src/webkit

webkit/plugins/npapi/plugin_lib_unittest.cc

 // Copyright (c) 2012 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_lib.h"
 
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 107 matching lines @@
   std::vector<WebPluginMimeType> types;
   PluginLib::ParseMIMEDescription("mime/type:", &types);
   EXPECT_TRUE(types.empty());
 
   types.clear();
   PluginLib::ParseMIMEDescription("mime/type:ext1:", &types);
   ASSERT_EQ(1U, types.size());
   EXPECT_EQ("mime/type", types[0].mime_type);
   EXPECT_EQ(1U, types[0].file_extensions.size());
   EXPECT_EQ("ext1", types[0].file_extensions[0]);
-  EXPECT_EQ(string16(), types[0].description);
+  EXPECT_EQ(base::string16(), types[0].description);
 }
 
 // This Java plugin has embedded semicolons in the mime type.
 TEST(MIMEDescriptionParse, ComplicatedJava) {
   std::vector<WebPluginMimeType> types;
   PluginLib::ParseMIMEDescription(
       "application/x-java-vm:class,jar:IcedTea;application/x-java"
       "-applet:class,jar:IcedTea;application/x-java-applet;versio"
       "n=1.1:class,jar:IcedTea;application/x-java-applet;version="
       "1.1.1:class,jar:IcedTea;application/x-java-applet;version="
@@ skipping 29 matching lines @@
       "IcedTea-Web Plugin "
       "(using IcedTea-Web 1.2 (1.2-2ubuntu0.10.04.2))",
       &info);
   EXPECT_EQ(ASCIIToUTF16("1.2"), info.version);
 }
 
 #endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
 
 }  // namespace npapi
 }  // namespace webkit