base: rename Environment::GetEnv to Environment::GetVar.

base/base_paths_posix.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.
 
 // This is really Posix minus Mac. Mac code is in base_paths_mac.mm.
 
 #include "base/base_paths.h"
 
 #include <unistd.h>
 #if defined(OS_FREEBSD)
@@ skipping 45 matching lines @@
       bin_dir[strlen(bin_dir)] = 0;
       *result = FilePath(bin_dir);
       return true;
 #endif
     }
     case base::DIR_SOURCE_ROOT: {
       // Allow passing this in the environment, for more flexibility in build
       // tree configurations (sub-project builds, gyp --output_dir, etc.)
       scoped_ptr<base::Environment> env(base::Environment::Create());
       std::string cr_source_root;
-      if (env->GetEnv("CR_SOURCE_ROOT", &cr_source_root)) {
+      if (env->GetVar("CR_SOURCE_ROOT", &cr_source_root)) {
         path = FilePath(cr_source_root);
         if (file_util::PathExists(path.Append("base/base_paths_posix.cc"))) {
           *result = path;
           return true;
         } else {
           LOG(WARNING) << "CR_SOURCE_ROOT is set, but it appears to not "
                        << "point to the correct source root directory.";
         }
       }
       // On POSIX, unit tests execute two levels deep from the source root.
@@ skipping 30 matching lines @@
       scoped_ptr<base::Environment> env(base::Environment::Create());
       FilePath cache_dir(base::GetXDGDirectory(env.get(), "XDG_CACHE_HOME",
                                                ".cache"));
       *result = cache_dir;
       return true;
   }
   return false;
 }
 
 }  // namespace base