Switch the first thread in a child process to be the main thread, and make theIO thread be the second thread. The change is needed for plugins on mac.

Review URL: http://codereview.chromium.org/155944

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@21355 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 8 insertions, 0 deletions

diff --git a/ipc/ipc_channel_proxy.cc b/ipc/ipc_channel_proxy.cc
index d96e413..eba506d 100644
--- a/ipc/ipc_channel_proxy.cc
+++ b/ipc/ipc_channel_proxy.cc
@@ -272,6 +272,10 @@ void ChannelProxy::RemoveFilter(MessageFilter* filter) {
       context_.get(), &Context::OnRemoveFilter, filter));
 }
 
+void ChannelProxy::ClearIPCMessageLoop() {
+  context()->ClearIPCMessageLoop();
+}
+
 #if defined(OS_POSIX)
 // See the TODO regarding lazy initialization of the channel in
 // ChannelProxy::Init().
diff --git a/ipc/ipc_channel_proxy.h b/ipc/ipc_channel_proxy.h
index 1aed33e..77ddd87 100644
--- a/ipc/ipc_channel_proxy.h
+++ b/ipc/ipc_channel_proxy.h
@@ -117,6 +117,9 @@ class ChannelProxy : public Message::Sender {
   void AddFilter(MessageFilter* filter);
   void RemoveFilter(MessageFilter* filter);
 
+  // Called to clear the pointer to the IPC message loop when it's going away.
+  void ClearIPCMessageLoop();
+
 #if defined(OS_POSIX)
   // Calls through to the underlying channel's methods.
   // TODO(playmobil): For now this is only implemented in the case of
@@ -140,6 +143,7 @@ class ChannelProxy : public Message::Sender {
     Context(Channel::Listener* listener, MessageFilter* filter,
             MessageLoop* ipc_thread);
     virtual ~Context() { }
+    void ClearIPCMessageLoop() { ipc_message_loop_ = NULL; }
     MessageLoop* ipc_message_loop() const { return ipc_message_loop_; }
     const std::string& channel_id() const { return channel_id_; }