Determine whether user is ephemeral when coming back from a crash

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 075e057d12dcffc9a7bbfb7d0244bc143a9c03cf..d6cd030dbdbac2917eb341bf27e9553b76eee50a 100644
--- a/chrome/browser/chromeos/cros/cryptohome_library.cc
+++ b/chrome/browser/chromeos/cros/cryptohome_library.cc
@@ -41,6 +41,13 @@ class CryptohomeLibraryImpl : public CryptohomeLibrary {
     return result;
   }
 
+  virtual bool IsMountedForUser(const std::string& username,
+                                bool* is_mounted,
+                                bool* is_ephemeral_mount) OVERRIDE {
+    return DBusThreadManager::Get()->GetCryptohomeClient()->
+        IsMountedForUser(username, is_mounted, is_ephemeral_mount);
+  }
+
   virtual bool TpmIsReady() OVERRIDE {
     bool result = false;
     DBusThreadManager::Get()->GetCryptohomeClient()->TpmIsReady(&result);
@@ -179,6 +186,14 @@ class CryptohomeLibraryStubImpl : public CryptohomeLibrary {
     return true;
   }
 
+  virtual bool IsMountedForUser(const std::string& username,
+                                bool* is_mounted,
+                                bool* is_ephemeral_mount) OVERRIDE {
+    *is_mounted = true;
+    *is_ephemeral_mount = false;
+    return true;
+  }
+
   // Tpm begin ready after 20-th call.
   virtual bool TpmIsReady() OVERRIDE {
     static int counter = 0;