base: Rename EnvVarGetter to Environment.

base/environment.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/env_var.h"
+#include "base/environment.h"
 
 #if defined(OS_POSIX)
 #include <stdlib.h>
 #elif defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include "base/string_util.h"
 
 #if defined(OS_WIN)
 #include "base/scoped_ptr.h"
 #include "base/utf_string_conversions.h"
 #endif
 
 namespace {
 
-class EnvVarGetterImpl : public base::EnvVarGetter {
+class EnvironmentImpl : public base::Environment {
  public:
   virtual bool GetEnv(const char* variable_name, std::string* result) {
     if (GetEnvImpl(variable_name, result))
       return true;
 
     // Some commonly used variable names are uppercase while others
     // are lowercase, which is inconsistent. Let's try to be helpful
     // and look for a variable name with the reverse case.
     // I.e. HTTP_PROXY may be http_proxy for some users/systems.
     char first_char = variable_name[0];
@@ skipping 72 matching lines @@
 namespace env_vars {
 
 #if defined(OS_POSIX)
 // On Posix systems, this variable contains the location of the user's home
 // directory. (e.g, /home/username/).
 const char kHome[] = "HOME";
 #endif
 
 }  // namespace env_vars
 
-EnvVarGetter::~EnvVarGetter() {}
+Environment::~Environment() {}
 
 // static
-EnvVarGetter* EnvVarGetter::Create() {
-  return new EnvVarGetterImpl();
+Environment* Environment::Create() {
+  return new EnvironmentImpl();
 }
 
-bool EnvVarGetter::HasEnv(const char* variable_name) {
+bool Environment::HasEnv(const char* variable_name) {
   return GetEnv(variable_name, NULL);
 }
 
 }  // namespace base