Update CrOS to use scoped_refptr<T>::get() rather than implicit "operator T*"

chromeos/dbus/cros_disks_client.cc

Index: chromeos/dbus/cros_disks_client.cc
diff --git a/chromeos/dbus/cros_disks_client.cc b/chromeos/dbus/cros_disks_client.cc
index c5c36810c5ca63832181dbb39cf2f7f6e29f8097..915e4ecc95105491f70b4681bbe571e466bda914 100644
--- a/chromeos/dbus/cros_disks_client.cc
+++ b/chromeos/dbus/cros_disks_client.cc
@@ -434,11 +434,9 @@ class CrosDisksClientStubImpl : public CrosDisksClient {
 
     // Perform fake mount.
     base::PostTaskAndReplyWithResult(
-        base::WorkerPool::GetTaskRunner(true /* task_is_slow */),
+        base::WorkerPool::GetTaskRunner(true /* task_is_slow */).get(),
         FROM_HERE,
-        base::Bind(&PerformFakeMount,
-                   source_path,
-                   mounted_path),
+        base::Bind(&PerformFakeMount, source_path, mounted_path),
         base::Bind(&CrosDisksClientStubImpl::ContinueMount,
                    weak_ptr_factory_.GetWeakPtr(),
                    source_path,