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, 3 deletions

diff --git a/base/environment.cc b/base/environment.cc
index 2ebdd43..1ec890d 100644
--- a/base/environment.cc
+++ b/base/environment.cc
@@ -44,8 +44,8 @@ class EnvironmentImpl : public base::Environment {
     return SetEnvImpl(variable_name, new_value);
   }
 
-  virtual bool UnSetEnv(const char* variable_name) {
-    return UnSetEnvImpl(variable_name);
+  virtual bool UnSetVar(const char* variable_name) {
+    return UnSetVarImpl(variable_name);
   }
 
  private:
@@ -86,7 +86,7 @@ class EnvironmentImpl : public base::Environment {
 #endif
   }
 
-  bool UnSetEnvImpl(const char* variable_name) {
+  bool UnSetVarImpl(const char* variable_name) {
 #if defined(OS_POSIX)
     // On success, zero is returned.
     return unsetenv(variable_name) == 0;