Determine whether user is ephemeral when coming back from a crash

chrome/browser/chromeos/cros/mock_cryptohome_library.h

Index: chrome/browser/chromeos/cros/mock_cryptohome_library.h
diff --git a/chrome/browser/chromeos/cros/mock_cryptohome_library.h b/chrome/browser/chromeos/cros/mock_cryptohome_library.h
index 1a7c1bb92fc93fd55ae45fd1da89744d97f2e380..103b87c758e4f1806f6b762ffab19c5bc54c82c9 100644
--- a/chrome/browser/chromeos/cros/mock_cryptohome_library.h
+++ b/chrome/browser/chromeos/cros/mock_cryptohome_library.h
@@ -23,6 +23,9 @@ class MockCryptohomeLibrary : public CryptohomeLibrary {
   MockCryptohomeLibrary();
   virtual ~MockCryptohomeLibrary();
   MOCK_METHOD0(IsMounted, bool(void));
+  MOCK_METHOD3(IsMountedForUser, bool(const std::string& username,
+                                      bool* is_mounted,
+                                      bool* is_ephemeral_mount));
   MOCK_METHOD1(HashPassword, std::string(const std::string& password));
   MOCK_METHOD0(GetSystemSalt, std::string(void));