WebCrypto: Add crypto.subtle.verify() to the platform interfaces.

Source/modules/crypto/CryptoOperation.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 102 matching lines @@
 
 void CryptoOperationImpl::completeWithArrayBuffer(const WebKit::WebArrayBuffer& buffer)
 {
     ASSERT(m_state == Processing || m_state == Finishing);
 
     m_impl = 0;
     m_state = Done;
     promiseResolver()->fulfill(PassRefPtr<ArrayBuffer>(buffer));
 }
 
+void CryptoOperationImpl::completeWithBoolean(bool b)
+{
+    ASSERT(m_state == Processing || m_state == Finishing);
+
+    m_impl = 0;
+    m_state = Done;
+    promiseResolver()->fulfill(ScriptValue::createBoolean(b));
+}
+
 void CryptoOperationImpl::process(const void* bytes, size_t size)
 {
     switch (m_state) {
     case Initializing:
         ASSERT_NOT_REACHED();
     case Processing:
         m_impl->process(reinterpret_cast<const unsigned char*>(bytes), size);
         break;
     case Finishing:
     case Done:
@@ skipping 98 matching lines @@
 }
 
 Algorithm* CryptoOperation::algorithm()
 {
     if (!m_algorithmNode)
         m_algorithmNode = Algorithm::create(m_algorithm);
     return m_algorithmNode.get();
 }
 
 } // namespace WebCore