Remove AsyncSetOwnerUser() from cryptohome library

chrome/browser/chromeos/cros/cryptohome_library.cc

Index: chrome/browser/chromeos/cros/cryptohome_library.cc
diff --git a/chrome/browser/chromeos/cros/cryptohome_library.cc b/chrome/browser/chromeos/cros/cryptohome_library.cc
index a9183d55a282d34ffc1c9c4a59d1e01470870caa..315c92a15e16bee59aeff76681024f1047e6bc80 100644
--- a/chrome/browser/chromeos/cros/cryptohome_library.cc
+++ b/chrome/browser/chromeos/cros/cryptohome_library.cc
@@ -91,14 +91,6 @@ class CryptohomeLibraryImpl : public CryptohomeLibrary {
     return chromeos::CryptohomeIsMounted();
   }
 
-  virtual bool AsyncSetOwnerUser(
-      const std::string& username, Delegate* d) OVERRIDE {
-    return CacheCallback(
-        chromeos::CryptohomeAsyncSetOwnerUser(username.c_str()),
-        d,
-        "Couldn't do set owner user in Cryptohomed.");
-  }
-
   virtual bool TpmIsReady() OVERRIDE {
     return chromeos::CryptohomeTpmIsReady();
   }
@@ -309,14 +301,6 @@ class CryptohomeLibraryStubImpl : public CryptohomeLibrary {
     return true;
   }
 
-  virtual bool AsyncSetOwnerUser(
-      const std::string& username, Delegate* callback) OVERRIDE {
-    BrowserThread::PostTask(
-        BrowserThread::UI, FROM_HERE,
-        base::Bind(&DoStubCallback, callback));
-    return true;
-  }
-
   // Tpm begin ready after 20-th call.
   virtual bool TpmIsReady() OVERRIDE {
     static int counter = 0;