Revert "Imported WebKit commit 0dc6cd75e1d4836eaffbb520be96fac4847cc9d2 (http://svn.webkit.org/repository/webkit/trunk@131300)"

This reverts commit 5466563f4b5b6b86523e3f89bb7f77e5b5270c78.

Caused OOM issues on some CI machines :(

1 files changed, 32 insertions, 12 deletions

diff --git a/Source/WebKit2/UIProcess/WebConnectionToWebProcess.cpp b/Source/WebKit2/UIProcess/WebConnectionToWebProcess.cpp
index 86ba91c08..dbf12ccf0 100644
--- a/Source/WebKit2/UIProcess/WebConnectionToWebProcess.cpp
+++ b/Source/WebKit2/UIProcess/WebConnectionToWebProcess.cpp
@@ -40,8 +40,8 @@ PassRefPtr<WebConnectionToWebProcess> WebConnectionToWebProcess::create(WebProce
 }
 
 WebConnectionToWebProcess::WebConnectionToWebProcess(WebProcessProxy* process, CoreIPC::Connection::Identifier connectionIdentifier, RunLoop* runLoop)
-    : WebConnection(CoreIPC::Connection::createServerConnection(connectionIdentifier, this, runLoop))
-    , m_process(process)
+    : m_process(process)
+    , m_connection(CoreIPC::Connection::createServerConnection(connectionIdentifier, this, runLoop))
 {
 #if OS(DARWIN)
     m_connection->setShouldCloseConnectionOnMachExceptions();
@@ -50,27 +50,42 @@ WebConnectionToWebProcess::WebConnectionToWebProcess(WebProcessProxy* process, C
 #endif
 }
 
-// WebConnection
-
-void WebConnectionToWebProcess::encodeMessageBody(CoreIPC::ArgumentEncoder* argumentEncoder, APIObject* messageBody)
+void WebConnectionToWebProcess::invalidate()
 {
-    argumentEncoder->encode(WebContextUserMessageEncoder(messageBody));
+    m_connection->invalidate();
+    m_connection = nullptr;
+    m_process = 0;
 }
 
-bool WebConnectionToWebProcess::decodeMessageBody(CoreIPC::ArgumentDecoder* argumentDecoder, RefPtr<APIObject>& messageBody)
+// WebConnection
+
+void WebConnectionToWebProcess::postMessage(const String& messageName, APIObject* messageBody)
 {
-    if (!argumentDecoder->decode(WebContextUserMessageDecoder(messageBody, m_process)))
-        return false;
+    // We need to check if we have an underlying process here since a user of the API can hold
+    // onto us and call postMessage even after the process has been invalidated.
+    if (!m_process)
+        return;
 
-    return true;
+    m_process->deprecatedSend(WebConnectionLegacyMessage::PostMessage, 0, CoreIPC::In(messageName, WebContextUserMessageEncoder(messageBody)));
 }
 
 // CoreIPC::Connection::Client
 
 void WebConnectionToWebProcess::didReceiveMessage(CoreIPC::Connection* connection, CoreIPC::MessageID messageID, CoreIPC::ArgumentDecoder* arguments)
 {
-    if (messageID.is<CoreIPC::MessageClassWebConnection>()) {
-        didReceiveWebConnectionMessage(connection, messageID, arguments);
+    if (messageID.is<CoreIPC::MessageClassWebConnectionLegacy>()) {
+        switch (messageID.get<WebConnectionLegacyMessage::Kind>()) {
+            case WebConnectionLegacyMessage::PostMessage: {
+                String messageName;
+                RefPtr<APIObject> messageBody;
+                WebContextUserMessageDecoder messageDecoder(messageBody, m_process);
+                if (!arguments->decode(CoreIPC::Out(messageName, messageDecoder)))
+                    return;
+
+                forwardDidReceiveMessageToClient(messageName, messageBody.get());
+                return;
+            }
+        }
         return;
     }
 
@@ -109,6 +124,11 @@ void WebConnectionToWebProcess::didReceiveInvalidMessage(CoreIPC::Connection* co
     m_client.didClose(this);
 }
 
+void WebConnectionToWebProcess::syncMessageSendTimedOut(CoreIPC::Connection* connection)
+{
+    m_process->syncMessageSendTimedOut(connection);
+}
+
 #if PLATFORM(WIN)
 Vector<HWND> WebConnectionToWebProcess::windowsToReceiveSentMessagesWhileWaitingForSyncReply()
 {