Style cleanup in preparation for auto-linting base/.

base/sys_string_conversions_unittest.cc

 // Copyright (c) 2006-2008 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 <locale.h>
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/string_piece.h"
@@ skipping 60 matching lines @@
   expected_null.push_back('b');
 
   EXPECT_EQ(expected_null, SysUTF8ToWide(utf8_null));
 }
 
 #if defined(OS_LINUX)  // Tests depend on setting a specific Linux locale.
 namespace {
 
 class ScopedSetLocale {
  public:
-  ScopedSetLocale(const char* locale) {
+  explicit ScopedSetLocale(const char* locale) {
     old_locale_ = setlocale(LC_ALL, NULL);
     setlocale(LC_ALL, locale);
   }
   ~ScopedSetLocale() {
     setlocale(LC_ALL, old_locale_.c_str());
   }
 
  private:
   std::string old_locale_;
 };
@@ skipping 104 matching lines @@
   }
 
   for (size_t i = 0; i < arraysize(kConvertRoundtripCases); ++i) {
     std::wstring wide = kConvertRoundtripCases[i];
     std::wstring trip = UTF8ToWide(base::SysWideToNativeMB(wide));
     EXPECT_EQ(wide.size(), trip.size());
     EXPECT_EQ(wide, trip);
   }
 }
 #endif  // OS_LINUX