base: Get rid of the deprecated SysInfo::GetEnvVar.

base/sys_info_unittest.cc

 // Copyright (c) 2010 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/file_util.h"
 #include "base/sys_info.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 typedef PlatformTest SysInfoTest;
@@ skipping 10 matching lines @@
 }
 
 TEST_F(SysInfoTest, AmountOfFreeDiskSpace) {
   // We aren't actually testing that it's correct, just that it's sane.
   FilePath tmp_path;
   ASSERT_TRUE(file_util::GetTempDir(&tmp_path));
   EXPECT_GT(base::SysInfo::AmountOfFreeDiskSpace(tmp_path), 0)
             << tmp_path.value();
 }
 
-TEST_F(SysInfoTest, GetEnvVar) {
-  // Every setup should have non-empty PATH...
-  EXPECT_NE(base::SysInfo::GetEnvVar(L"PATH"), L"");
-}
-
 #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_CHROMEOS)
 TEST_F(SysInfoTest, OperatingSystemVersionNumbers) {
   int32 os_major_version = -1;
   int32 os_minor_version = -1;
   int32 os_bugfix_version = -1;
   base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
                                                &os_minor_version,
                                                &os_bugfix_version);
   EXPECT_GT(os_major_version, -1);
   EXPECT_GT(os_minor_version, -1);
@@ skipping 55 matching lines @@
   base::SysInfo::ParseLsbRelease(lsb_release,
                                  &os_major_version,
                                  &os_minor_version,
                                  &os_bugfix_version);
   EXPECT_EQ(-1, os_major_version);
   EXPECT_EQ(-1, os_minor_version);
   EXPECT_EQ(-1, os_bugfix_version);
 }
 
 #endif  // OS_CHROMEOS