base: rename Environment::UnSetEnv to Environment::UnSetVar.

This is the part 1 of this series. More three comming. Splitting this
into small parts, so it is more easy to review and reduce the size of the CL.

BUG=None
TEST=trybots

Review URL: http://codereview.chromium.org/3058034

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@54862 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 3 insertions, 1 deletions

diff --git a/net/proxy/proxy_config_service_linux_unittest.cc b/net/proxy/proxy_config_service_linux_unittest.cc
index 5a8f292..6be44fe 100644
--- a/net/proxy/proxy_config_service_linux_unittest.cc
+++ b/net/proxy/proxy_config_service_linux_unittest.cc
@@ -104,6 +104,7 @@ class MockEnvironment : public base::Environment {
     values = zero_values;
   }
 
+  // Begin base::Environment implementation.
   virtual bool GetEnv(const char* variable_name, std::string* result) {
     const char* env_value = table.Get(variable_name);
     if (env_value) {
@@ -119,10 +120,11 @@ class MockEnvironment : public base::Environment {
     return false;
   }
 
-  virtual bool UnSetEnv(const char* variable_name) {
+  virtual bool UnSetVar(const char* variable_name) {
     ADD_FAILURE();
     return false;
   }
+  // End base::Environment implementation.
 
   // Intentionally public, for convenience when setting up a test.
   EnvVarValues values;