Fix base::GetNativeLibraryName() for Mac.

base/native_library_unittest.cc

 // Copyright 2015 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/files/file_path.h"
 #include "base/native_library.h"
-#include "base/strings/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
 
 const FilePath::CharType kDummyLibraryPath[] =
     FILE_PATH_LITERAL("dummy_library");
 
 TEST(NativeLibraryTest, LoadFailure) {
   NativeLibraryLoadError error;
   EXPECT_FALSE(LoadNativeLibrary(FilePath(kDummyLibraryPath), &error));
   EXPECT_FALSE(error.ToString().empty());
 }
 
 // |error| is optional and can be null.
 TEST(NativeLibraryTest, LoadFailureWithNullError) {
   EXPECT_FALSE(LoadNativeLibrary(FilePath(kDummyLibraryPath), nullptr));
 }
 
 TEST(NativeLibraryTest, GetNativeLibraryName) {
   const char kExpectedName[] =
 #if defined(OS_IOS)
       "mylib";
 #elif defined(OS_MACOSX)
-      "mylib.dylib";
+      "libmylib.dylib";
 #elif defined(OS_POSIX)
       "libmylib.so";
 #elif defined(OS_WIN)
       "mylib.dll";
 #endif
-  EXPECT_EQ(ASCIIToUTF16(kExpectedName),
-            GetNativeLibraryName(ASCIIToUTF16("mylib")));
+  EXPECT_EQ(kExpectedName, GetNativeLibraryName("mylib"));
 }
 
 }  // namespace base