Remove two deprecated methods from base::Version

base/version.cc

Index: base/version.cc
diff --git a/base/version.cc b/base/version.cc
index 1f9bd204e0c6898ee1ce421a279f8323f81957d2..070c66570f6b1b93033aeb0485f3fd773cdcb6f4 100644
--- a/base/version.cc
+++ b/base/version.cc
@@ -52,22 +52,6 @@ bool Version::IsOlderThan(const std::string& version_str) const {
   return (CompareTo(proposed_ver) < 0);
 }
 
-// TODO(cpu): remove this method.
-Version* Version::GetVersionFromString(const std::string& version_str) {
-  Version* vers = new Version(version_str);
-  if (vers->IsValid()) {
-    return vers;
-  }
-  delete vers;
-  return NULL;
-}
-
-// TODO(cpu): remove this method.
-Version* Version::Clone() const {
-  DCHECK(IsValid());
-  return new Version(*this);
-}
-
 bool Version::Equals(const Version& that) const {
   DCHECK(IsValid());
   DCHECK(that.IsValid());