1 files changed, 6 insertions, 0 deletions
diff --git a/base/env_var.cc b/base/env_var.cc
index 8d32c02..bcdadb9 100644
--- a/base/env_var.cc
+++ b/base/env_var.cc
@@ -85,6 +85,12 @@ class EnvVarGetterImpl : public base::EnvVarGetter {
 
 namespace base {
 
+EnvVarGetter::~EnvVarGetter() {}
+
+bool EnvVarGetter::HasEnv(const char* variable_name) {
+  return GetEnv(variable_name, NULL);
+}
+
 // static
 EnvVarGetter* EnvVarGetter::Create() {
   return new EnvVarGetterImpl();