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

chrome/common/extensions/csp_validator_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/common/extensions/csp_validator.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using extensions::csp_validator::ContentSecurityPolicyIsLegal;
 using extensions::csp_validator::ContentSecurityPolicyIsSecure;
 using extensions::csp_validator::ContentSecurityPolicyIsSandboxed;
 using extensions::Manifest;
 
 TEST(ExtensionCSPValidator, IsLegal) {
   EXPECT_TRUE(ContentSecurityPolicyIsLegal("foo"));
   EXPECT_TRUE(ContentSecurityPolicyIsLegal(
       "default-src 'self'; script-src http://www.google.com"));
   EXPECT_FALSE(ContentSecurityPolicyIsLegal(
       "default-src 'self';\nscript-src http://www.google.com"));
   EXPECT_FALSE(ContentSecurityPolicyIsLegal(
       "default-src 'self';\rscript-src http://www.google.com"));
   EXPECT_FALSE(ContentSecurityPolicyIsLegal(
       "default-src 'self';,script-src http://www.google.com"));
 }
 
 TEST(ExtensionCSPValidator, IsSecure) {
-  EXPECT_FALSE(ContentSecurityPolicyIsSecure(
-      "", Manifest::TYPE_EXTENSION));
-  EXPECT_FALSE(ContentSecurityPolicyIsSecure(
-      "img-src https://google.com", Manifest::TYPE_EXTENSION));
+  EXPECT_FALSE(
+      ContentSecurityPolicyIsSecure(std::string(), Manifest::TYPE_EXTENSION));
+  EXPECT_FALSE(ContentSecurityPolicyIsSecure("img-src https://google.com",
+                                             Manifest::TYPE_EXTENSION));
 
   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
       "default-src *", Manifest::TYPE_EXTENSION));
   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
       "default-src 'self'", Manifest::TYPE_EXTENSION));
   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
       "default-src 'none'", Manifest::TYPE_EXTENSION));
   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
       "default-src 'self' ftp://google.com", Manifest::TYPE_EXTENSION));
   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
@@ skipping 99 matching lines @@
       "default-src 'self' blob:http://example.com/XXX",
       Manifest::TYPE_EXTENSION));
   EXPECT_TRUE(ContentSecurityPolicyIsSecure(
       "default-src 'self' filesystem:", Manifest::TYPE_EXTENSION));
   EXPECT_FALSE(ContentSecurityPolicyIsSecure(
       "default-src 'self' filesystem:http://example.com/XXX",
       Manifest::TYPE_EXTENSION));
 }
 
 TEST(ExtensionCSPValidator, IsSandboxed) {
-  EXPECT_FALSE(ContentSecurityPolicyIsSandboxed("", Manifest::TYPE_EXTENSION));
-  EXPECT_FALSE(ContentSecurityPolicyIsSandboxed(
-      "img-src https://google.com", Manifest::TYPE_EXTENSION));
+  EXPECT_FALSE(ContentSecurityPolicyIsSandboxed(std::string(),
+                                                Manifest::TYPE_EXTENSION));
+  EXPECT_FALSE(ContentSecurityPolicyIsSandboxed("img-src https://google.com",
+                                                Manifest::TYPE_EXTENSION));
 
   // Sandbox directive is required.
   EXPECT_TRUE(ContentSecurityPolicyIsSandboxed(
       "sandbox", Manifest::TYPE_EXTENSION));
 
   // Additional sandbox tokens are OK.
   EXPECT_TRUE(ContentSecurityPolicyIsSandboxed(
       "sandbox allow-scripts", Manifest::TYPE_EXTENSION));
   // Except for allow-same-origin.
   EXPECT_FALSE(ContentSecurityPolicyIsSandboxed(
       "sandbox allow-same-origin", Manifest::TYPE_EXTENSION));
 
   // Additional directives are OK.
   EXPECT_TRUE(ContentSecurityPolicyIsSandboxed(
       "sandbox; img-src https://google.com", Manifest::TYPE_EXTENSION));
 
   // Extensions allow navigation, platform apps don't.
   EXPECT_TRUE(ContentSecurityPolicyIsSandboxed(
       "sandbox allow-top-navigation", Manifest::TYPE_EXTENSION));
   EXPECT_FALSE(ContentSecurityPolicyIsSandboxed(
       "sandbox allow-top-navigation", Manifest::TYPE_PLATFORM_APP));
 
   // Popups are OK.
   EXPECT_TRUE(ContentSecurityPolicyIsSandboxed(
       "sandbox allow-popups", Manifest::TYPE_EXTENSION));
   EXPECT_TRUE(ContentSecurityPolicyIsSandboxed(
       "sandbox allow-popups", Manifest::TYPE_PLATFORM_APP));
 }