base: Rename EnvVarGetter to Environment.

base/base_paths_posix.cc

Index: base/base_paths_posix.cc
diff --git a/base/base_paths_posix.cc b/base/base_paths_posix.cc
index 710d799723fbe67c1ef9c4809fa4326e502026db..84120097d6f1f4668fbfd3d386a4b271f31474c2 100644
--- a/base/base_paths_posix.cc
+++ b/base/base_paths_posix.cc
@@ -12,7 +12,7 @@
 #include <sys/sysctl.h>
 #endif
 
-#include "base/env_var.h"
+#include "base/environment.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
@@ -61,7 +61,7 @@ bool PathProviderPosix(int key, FilePath* result) {
     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::EnvVarGetter> env(base::EnvVarGetter::Create());
+      scoped_ptr<base::Environment> env(base::Environment::Create());
       std::string cr_source_root;
       if (env->GetEnv("CR_SOURCE_ROOT", &cr_source_root)) {
         path = FilePath(cr_source_root);
@@ -104,7 +104,7 @@ bool PathProviderPosix(int key, FilePath* result) {
       return false;
     }
     case base::DIR_USER_CACHE:
-      scoped_ptr<base::EnvVarGetter> env(base::EnvVarGetter::Create());
+      scoped_ptr<base::Environment> env(base::Environment::Create());
       FilePath cache_dir(base::GetXDGDirectory(env.get(), "XDG_CACHE_HOME",
                                                ".cache"));
       *result = cache_dir;