chromeos: Remove CryptohomeLibrary::TpmGetPassword and TpmIsReady

chrome/browser/chromeos/login/tpm_password_fetcher.h

Index: chrome/browser/chromeos/login/tpm_password_fetcher.h
diff --git a/chrome/browser/chromeos/login/tpm_password_fetcher.h b/chrome/browser/chromeos/login/tpm_password_fetcher.h
index 326e942dfc91cf219b7050acd4269839c0cb81c4..155991172606732287826e6f0c4043358f4f01aa 100644
--- a/chrome/browser/chromeos/login/tpm_password_fetcher.h
+++ b/chrome/browser/chromeos/login/tpm_password_fetcher.h
@@ -9,6 +9,7 @@
 
 #include "base/basictypes.h"
 #include "base/memory/weak_ptr.h"
+#include "chromeos/dbus/dbus_method_call_status.h"
 
 namespace chromeos {
 
@@ -33,6 +34,16 @@ class TpmPasswordFetcher {
   void Fetch();
 
  private:
+  // Used to implement Fetch().
+  void OnTpmIsReady(DBusMethodCallStatus call_status, bool tpm_is_ready);
+
+  // Used to implement Fetch().
+  void OnTpmGetPassword(DBusMethodCallStatus call_status,
+                        const std::string& password);
+
+  // Posts a task to call Fetch() later.
+  void RescheduleFetch();
+
   base::WeakPtrFactory<TpmPasswordFetcher> weak_factory_;
   TpmPasswordFetcherDelegate* delegate_;