1 files changed, 0 insertions, 196 deletions
diff --git a/chromium/third_party/WebKit/Source/core/dom/default/PlatformMessagePortChannel.cpp b/chromium/third_party/WebKit/Source/core/dom/default/PlatformMessagePortChannel.cpp
deleted file mode 100644
index 28375179859..00000000000
--- a/chromium/third_party/WebKit/Source/core/dom/default/PlatformMessagePortChannel.cpp
+++ /dev/null
@@ -1,196 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc. All rights reserved.
- * Copyright (C) 2013 Apple 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
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "core/dom/default/PlatformMessagePortChannel.h"
-
-#include "core/dom/MessagePort.h"
-#include "core/dom/ScriptExecutionContext.h"
-
-namespace WebCore {
-
-PassOwnPtr<PlatformMessagePortChannel::EventData> PlatformMessagePortChannel::EventData::create(PassRefPtr<SerializedScriptValue> message, PassOwnPtr<MessagePortChannelArray> channels)
-{
-    return adoptPtr(new EventData(message, channels));
-}
-
-PlatformMessagePortChannel::EventData::EventData(PassRefPtr<SerializedScriptValue> message, PassOwnPtr<MessagePortChannelArray> channels)
-    : m_message(message)
-    , m_channels(channels)
-{
-}
-
-void MessagePortChannel::createChannel(PassRefPtr<MessagePort> port1, PassRefPtr<MessagePort> port2)
-{
-    RefPtr<PlatformMessagePortChannel::MessagePortQueue> queue1 = PlatformMessagePortChannel::MessagePortQueue::create();
-    RefPtr<PlatformMessagePortChannel::MessagePortQueue> queue2 = PlatformMessagePortChannel::MessagePortQueue::create();
-
-    OwnPtr<MessagePortChannel> channel1 = adoptPtr(new MessagePortChannel(PlatformMessagePortChannel::create(queue1, queue2)));
-    OwnPtr<MessagePortChannel> channel2 = adoptPtr(new MessagePortChannel(PlatformMessagePortChannel::create(queue2, queue1)));
-
-    channel1->m_channel->m_entangledChannel = channel2->m_channel;
-    channel2->m_channel->m_entangledChannel = channel1->m_channel;
-
-    port1->entangle(channel2.release());
-    port2->entangle(channel1.release());
-}
-
-MessagePortChannel::MessagePortChannel(PassRefPtr<PlatformMessagePortChannel> channel)
-    : m_channel(channel)
-{
-}
-
-MessagePortChannel::~MessagePortChannel()
-{
-    close();
-}
-
-bool MessagePortChannel::entangleIfOpen(MessagePort* port)
-{
-    // We can't call member functions on our remote pair while holding our mutex or we'll deadlock,
-    // but we need to guard against the remote port getting closed/freed, so create a standalone reference.
-    RefPtr<PlatformMessagePortChannel> remote = m_channel->entangledChannel();
-    if (!remote)
-        return false;
-    remote->setRemotePort(port);
-    return true;
-}
-
-void MessagePortChannel::disentangle()
-{
-    RefPtr<PlatformMessagePortChannel> remote = m_channel->entangledChannel();
-    if (remote)
-        remote->setRemotePort(0);
-}
-
-void MessagePortChannel::postMessageToRemote(PassRefPtr<SerializedScriptValue> message, PassOwnPtr<MessagePortChannelArray> channels)
-{
-    MutexLocker lock(m_channel->m_mutex);
-    if (!m_channel->m_outgoingQueue)
-        return;
-    bool wasEmpty = m_channel->m_outgoingQueue->appendAndCheckEmpty(PlatformMessagePortChannel::EventData::create(message, channels));
-    if (wasEmpty && m_channel->m_remotePort)
-        m_channel->m_remotePort->messageAvailable();
-}
-
-bool MessagePortChannel::tryGetMessageFromRemote(RefPtr<SerializedScriptValue>& message, OwnPtr<MessagePortChannelArray>& channels)
-{
-    MutexLocker lock(m_channel->m_mutex);
-    OwnPtr<PlatformMessagePortChannel::EventData> result = m_channel->m_incomingQueue->tryGetMessage();
-    if (!result)
-        return false;
-
-    message = result->message();
-    channels = result->channels();
-
-    return true;
-}
-
-void MessagePortChannel::close()
-{
-    RefPtr<PlatformMessagePortChannel> remote = m_channel->entangledChannel();
-    if (!remote)
-        return;
-    m_channel->closeInternal();
-    remote->closeInternal();
-}
-
-bool MessagePortChannel::isConnectedTo(MessagePort* port)
-{
-    // FIXME: What guarantees that the result remains the same after we release the lock?
-    MutexLocker lock(m_channel->m_mutex);
-    return m_channel->m_remotePort == port;
-}
-
-bool MessagePortChannel::hasPendingActivity()
-{
-    // FIXME: What guarantees that the result remains the same after we release the lock?
-    MutexLocker lock(m_channel->m_mutex);
-    return !m_channel->m_incomingQueue->isEmpty();
-}
-
-MessagePort* MessagePortChannel::locallyEntangledPort(const ScriptExecutionContext* context)
-{
-    MutexLocker lock(m_channel->m_mutex);
-    // See if both contexts are run by the same thread (are the same context, or are both documents).
-    if (m_channel->m_remotePort) {
-        // The remote port's ScriptExecutionContext is guaranteed not to change here - MessagePort::contextDestroyed()
-        // will close the port before the context goes away, and close() will block because we are holding the mutex.
-        ScriptExecutionContext* remoteContext = m_channel->m_remotePort->scriptExecutionContext();
-        if (remoteContext == context || (remoteContext && remoteContext->isDocument() && context->isDocument()))
-            return m_channel->m_remotePort;
-    }
-    return 0;
-}
-
-PassRefPtr<PlatformMessagePortChannel> PlatformMessagePortChannel::create(PassRefPtr<MessagePortQueue> incoming, PassRefPtr<MessagePortQueue> outgoing)
-{
-    return adoptRef(new PlatformMessagePortChannel(incoming, outgoing));
-}
-
-PlatformMessagePortChannel::PlatformMessagePortChannel(PassRefPtr<MessagePortQueue> incoming, PassRefPtr<MessagePortQueue> outgoing)
-    : m_incomingQueue(incoming)
-    , m_outgoingQueue(outgoing)
-    , m_remotePort(0)
-{
-}
-
-PlatformMessagePortChannel::~PlatformMessagePortChannel()
-{
-}
-
-void PlatformMessagePortChannel::setRemotePort(MessagePort* port)
-{
-    MutexLocker lock(m_mutex);
-    // Should never set port if it is already set.
-    ASSERT(!port || !m_remotePort);
-    m_remotePort = port;
-}
-
-PassRefPtr<PlatformMessagePortChannel> PlatformMessagePortChannel::entangledChannel()
-{
-    // FIXME: What guarantees that the result remains the same after we release the lock?
-    // This lock only guarantees that the returned pointer will not be pointing to released memory,
-    // but not that it will still be pointing to this object's entangled port channel.
-    MutexLocker lock(m_mutex);
-    return m_entangledChannel;
-}
-
-void PlatformMessagePortChannel::closeInternal()
-{
-    MutexLocker lock(m_mutex);
-    // Disentangle ourselves from the other end. We still maintain a reference to our incoming queue, since previously-existing messages should still be delivered.
-    m_remotePort = 0;
-    m_entangledChannel = 0;
-    m_outgoingQueue = 0;
-}
-
-} // namespace WebCore