Rewrite std::string("") to std::string(), Linux edition.

chrome/browser/plugins/plugin_metadata_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 "chrome/browser/plugins/plugin_metadata.h"
 
 #include "base/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webkit/plugins/webplugininfo.h"
 
@@ skipping 16 matching lines @@
 TEST(PluginMetadataTest, SecurityStatus) {
   const PluginMetadata::SecurityStatus kUpToDate =
       PluginMetadata::SECURITY_STATUS_UP_TO_DATE;
   const PluginMetadata::SecurityStatus kOutOfDate =
       PluginMetadata::SECURITY_STATUS_OUT_OF_DATE;
   const PluginMetadata::SecurityStatus kRequiresAuthorization =
       PluginMetadata::SECURITY_STATUS_REQUIRES_AUTHORIZATION;
 
   PluginMetadata plugin_metadata("claybrick-writer",
                                  ASCIIToUTF16("ClayBrick Writer"),
-                                 true, GURL(), GURL(),
+                                 true,
+                                 GURL(),
+                                 GURL(),
                                  ASCIIToUTF16("ClayBrick"),
-                                 "");
+                                 std::string());
 #if defined(OS_LINUX)
   EXPECT_EQ(kRequiresAuthorization,
             GetSecurityStatus(&plugin_metadata, "1.2.3"));
 #else
   EXPECT_EQ(kUpToDate, GetSecurityStatus(&plugin_metadata, "1.2.3"));
 #endif
 
   plugin_metadata.AddVersion(Version("9.4.1"), kRequiresAuthorization);
   plugin_metadata.AddVersion(Version("10"), kOutOfDate);
   plugin_metadata.AddVersion(Version("10.2.1"), kUpToDate);
 
   // Invalid version.
   EXPECT_EQ(kOutOfDate, GetSecurityStatus(&plugin_metadata, "foo"));
 
   EXPECT_EQ(kOutOfDate, GetSecurityStatus(&plugin_metadata, "0"));
   EXPECT_EQ(kOutOfDate, GetSecurityStatus(&plugin_metadata, "1.2.3"));
   EXPECT_EQ(kRequiresAuthorization,
             GetSecurityStatus(&plugin_metadata, "9.4.1"));
   EXPECT_EQ(kRequiresAuthorization,
             GetSecurityStatus(&plugin_metadata, "9.4.2"));
   EXPECT_EQ(kOutOfDate, GetSecurityStatus(&plugin_metadata, "10.2.0"));
   EXPECT_EQ(kUpToDate, GetSecurityStatus(&plugin_metadata, "10.2.1"));
   EXPECT_EQ(kUpToDate, GetSecurityStatus(&plugin_metadata, "11"));
 }