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

chrome/browser/extensions/api/cookies/cookies_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.
 
 // Tests common functionality used by the Chrome Extensions Cookies API
 // implementation.
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 #include "base/values.h"
@@ skipping 177 matching lines @@
 
   for (size_t i = 0; i < arraysize(tests); ++i) {
     // Build up the Params struct.
     ListValue args;
     DictionaryValue* dict = new DictionaryValue();
     dict->SetString(keys::kDomainKey, std::string(tests[i].filter));
     args.Set(0, dict);
     scoped_ptr<GetAll::Params> params(GetAll::Params::Create(args));
 
     cookies_helpers::MatchFilter filter(&params->details);
-    net::CanonicalCookie cookie(GURL(), "", "", tests[i].domain,"",
-                                base::Time(), base::Time(), base::Time(),
-                                false, false);
+    net::CanonicalCookie cookie(GURL(),
+                                std::string(),
+                                std::string(),
+                                tests[i].domain,
+                                std::string(),
+                                base::Time(),
+                                base::Time(),
+                                base::Time(),
+                                false,
+                                false);
     EXPECT_EQ(tests[i].matches, filter.MatchesCookie(cookie));
   }
 }
 
 TEST_F(ExtensionCookiesTest, DecodeUTF8WithErrorHandling) {
-  net::CanonicalCookie canonical_cookie(
-      GURL(), "", "011Q255bNX_1!yd\203e+", "test.com", "/path\203",
-      base::Time(), base::Time(), base::Time(), false, false);
+  net::CanonicalCookie canonical_cookie(GURL(),
+                                        std::string(),
+                                        "011Q255bNX_1!yd\203e+",
+                                        "test.com",
+                                        "/path\203",
+                                        base::Time(),
+                                        base::Time(),
+                                        base::Time(),
+                                        false,
+                                        false);
   scoped_ptr<Cookie> cookie(
       cookies_helpers::CreateCookie(
           canonical_cookie, "some cookie store"));
   EXPECT_EQ(std::string("011Q255bNX_1!yd\xEF\xBF\xBD" "e+"), cookie->value);
-  EXPECT_EQ(std::string(""), cookie->path);
+  EXPECT_EQ(std::string(), cookie->path);
 }
 
 }  // namespace extensions