[webcrypto] Remove unused ifdef now that blink has rolled.

content/child/webcrypto/webcrypto_impl.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/child/webcrypto/webcrypto_impl.h"
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/location.h"
 #include "base/logging.h"
@@ skipping 153 matching lines @@
 // Ownership of the State object is passed between the crypto thread and the
 // Blink thread. Under normal completion it is destroyed on the Blink thread.
 // However it may also be destroyed on the crypto thread if the Blink thread
 // has vanished (which can happen for Blink web worker threads).
 
 struct BaseState {
   explicit BaseState(const blink::WebCryptoResult& result)
       : origin_thread(GetCurrentBlinkThread()), result(result) {}
 
   bool cancelled() {
-#ifdef WEBCRYPTO_RESULT_HAS_CANCELLED
     return result.cancelled();
-#else
-    return false;
-#endif
   }
 
   scoped_refptr<base::TaskRunner> origin_thread;
 
   webcrypto::Status status;
   blink::WebCryptoResult result;
 
  protected:
   // Since there is no virtual destructor, must not delete directly as a
   // BaseState.
@@ skipping 581 matching lines @@
       &key);
 }
 
 bool WebCryptoImpl::serializeKeyForClone(
     const blink::WebCryptoKey& key,
     blink::WebVector<unsigned char>& key_data) {
   return webcrypto::SerializeKeyForClone(key, &key_data);
 }
 
 }  // namespace content