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

net/http/http_security_headers_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 "base/base64.h"
 #include "base/sha1.h"
 #include "base/string_piece.h"
 #include "crypto/sha2.h"
 #include "net/base/net_log.h"
 #include "net/base/test_completion_callback.h"
@@ skipping 33 matching lines @@
 
 class HttpSecurityHeadersTest : public testing::Test {
 };
 
 
 TEST_F(HttpSecurityHeadersTest, BogusHeaders) {
   base::Time now = base::Time::Now();
   base::Time expiry = now;
   bool include_subdomains = false;
 
-  EXPECT_FALSE(ParseHSTSHeader(now, "", &expiry, &include_subdomains));
+  EXPECT_FALSE(
+      ParseHSTSHeader(now, std::string(), &expiry, &include_subdomains));
   EXPECT_FALSE(ParseHSTSHeader(now, "    ", &expiry, &include_subdomains));
   EXPECT_FALSE(ParseHSTSHeader(now, "abc", &expiry, &include_subdomains));
   EXPECT_FALSE(ParseHSTSHeader(now, "  abc", &expiry, &include_subdomains));
   EXPECT_FALSE(ParseHSTSHeader(now, "  abc   ", &expiry, &include_subdomains));
   EXPECT_FALSE(ParseHSTSHeader(now, "max-age", &expiry, &include_subdomains));
   EXPECT_FALSE(ParseHSTSHeader(now, "  max-age", &expiry,
                                &include_subdomains));
   EXPECT_FALSE(ParseHSTSHeader(now, "  max-age  ", &expiry,
                                &include_subdomains));
   EXPECT_FALSE(ParseHSTSHeader(now, "max-age=", &expiry, &include_subdomains));
@@ skipping 63 matching lines @@
 
   // Set some fake "chain" hashes
   chain_hashes.push_back(GetTestHashValue(1, tag));
   chain_hashes.push_back(GetTestHashValue(2, tag));
   chain_hashes.push_back(GetTestHashValue(3, tag));
 
   // The good pin must be in the chain, the backup pin must not be
   std::string good_pin = GetTestPin(2, tag);
   std::string backup_pin = GetTestPin(4, tag);
 
-  EXPECT_FALSE(ParseHPKPHeader(now, "", chain_hashes, &expiry, &hashes));
+  EXPECT_FALSE(
+      ParseHPKPHeader(now, std::string(), chain_hashes, &expiry, &hashes));
   EXPECT_FALSE(ParseHPKPHeader(now, "    ", chain_hashes, &expiry, &hashes));
   EXPECT_FALSE(ParseHPKPHeader(now, "abc", chain_hashes, &expiry, &hashes));
   EXPECT_FALSE(ParseHPKPHeader(now, "  abc", chain_hashes, &expiry, &hashes));
   EXPECT_FALSE(ParseHPKPHeader(now, "  abc   ", chain_hashes, &expiry,
                                &hashes));
   EXPECT_FALSE(ParseHPKPHeader(now, "max-age", chain_hashes, &expiry,
                                &hashes));
   EXPECT_FALSE(ParseHPKPHeader(now, "  max-age", chain_hashes, &expiry,
                                &hashes));
   EXPECT_FALSE(ParseHPKPHeader(now, "  max-age  ", chain_hashes, &expiry,
@@ skipping 266 matching lines @@
 
 TEST_F(HttpSecurityHeadersTest, ValidPinsHeadersSHA1) {
   TestValidPinsHeaders(HASH_VALUE_SHA1);
 }
 
 TEST_F(HttpSecurityHeadersTest, ValidPinsHeadersSHA256) {
   TestValidPinsHeaders(HASH_VALUE_SHA256);
 }
 };