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

content/browser/download/save_package_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 <string>
 
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
@@ skipping 203 matching lines @@
 #else
 #define MAYBE_TestLongSavePackageFilename TestLongSavePackageFilename
 #endif
 TEST_F(SavePackageTest, MAYBE_TestLongSavePackageFilename) {
   const std::string base_url("http://www.google.com/");
   const std::string long_file = long_file_name + ".css";
   const std::string url = base_url + long_file;
 
   base::FilePath::StringType filename;
   // Test that the filename is successfully shortened to fit.
-  ASSERT_TRUE(GetGeneratedFilename(true, "", url, false, &filename));
+  ASSERT_TRUE(GetGeneratedFilename(true, std::string(), url, false, &filename));
   EXPECT_TRUE(filename.length() < long_file.length());
   EXPECT_FALSE(HasOrdinalNumber(filename));
 
   // Test that the filename is successfully shortened to fit, and gets an
   // an ordinal appended.
-  ASSERT_TRUE(GetGeneratedFilename(true, "", url, false, &filename));
+  ASSERT_TRUE(GetGeneratedFilename(true, std::string(), url, false, &filename));
   EXPECT_TRUE(filename.length() < long_file.length());
   EXPECT_TRUE(HasOrdinalNumber(filename));
 
   // Test that the filename is successfully shortened to fit, and gets a
   // different ordinal appended.
   base::FilePath::StringType filename2;
-  ASSERT_TRUE(GetGeneratedFilename(true, "", url, false, &filename2));
+  ASSERT_TRUE(
+      GetGeneratedFilename(true, std::string(), url, false, &filename2));
   EXPECT_TRUE(filename2.length() < long_file.length());
   EXPECT_TRUE(HasOrdinalNumber(filename2));
   EXPECT_NE(filename, filename2);
 }
 
 // Crashing on Windows, see http://crbug.com/79365
 #if defined(OS_WIN)
 #define MAYBE_TestLongSafePureFilename DISABLED_TestLongSafePureFilename
 #else
 #define MAYBE_TestLongSafePureFilename TestLongSafePureFilename
@@ skipping 190 matching lines @@
   GURL view_source_url = URLRequestMockHTTPJob::GetMockViewSourceUrl(
                              base::FilePath(kTestDir).Append(file_name));
   GURL actual_url = URLRequestMockHTTPJob::GetMockUrl(
                         base::FilePath(kTestDir).Append(file_name));
   NavigateAndCommit(view_source_url);
   EXPECT_EQ(actual_url, GetUrlToBeSaved());
   EXPECT_EQ(view_source_url, contents()->GetURL());
 }
 
 }  // namespace content