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

net/proxy/proxy_config_service_linux_unittest.cc

Index: net/proxy/proxy_config_service_linux_unittest.cc
diff --git a/net/proxy/proxy_config_service_linux_unittest.cc b/net/proxy/proxy_config_service_linux_unittest.cc
index 74eddc83782860f2aaee7088767941863af105ad..0a541c1d483ac72b55e29cacf3fc4b8eee609de8 100644
--- a/net/proxy/proxy_config_service_linux_unittest.cc
+++ b/net/proxy/proxy_config_service_linux_unittest.cc
@@ -105,7 +105,7 @@ class MockEnvironment : public base::Environment {
   }
 
   // Begin base::Environment implementation.
-  virtual bool GetEnv(const char* variable_name, std::string* result) {
+  virtual bool GetVar(const char* variable_name, std::string* result) {
     const char* env_value = table.Get(variable_name);
     if (env_value) {
       // Note that the variable may be defined but empty.