ipc: Remove unnecessary attachment broker plumbing.

ipc/ipc_channel_common.cc

Index: ipc/ipc_channel_common.cc
diff --git a/ipc/ipc_channel_common.cc b/ipc/ipc_channel_common.cc
index 1a227ad7c5ac052d116e145d6457040792b39ecc..3fddf9a5545ff98a7517ab8c3064de26bbb33688 100644
--- a/ipc/ipc_channel_common.cc
+++ b/ipc/ipc_channel_common.cc
@@ -11,48 +11,39 @@ static Channel::MessageVerifier g_message_verifier = nullptr;
 // static
 scoped_ptr<Channel> Channel::CreateClient(
     const IPC::ChannelHandle& channel_handle,
-    Listener* listener,
-    AttachmentBroker* broker) {
-  return Channel::Create(channel_handle, Channel::MODE_CLIENT, listener,
-                         broker);
+    Listener* listener) {
+  return Channel::Create(channel_handle, Channel::MODE_CLIENT, listener);
 }
 
 // static
 scoped_ptr<Channel> Channel::CreateNamedServer(
     const IPC::ChannelHandle& channel_handle,
-    Listener* listener,
-    AttachmentBroker* broker) {
-  return Channel::Create(channel_handle, Channel::MODE_NAMED_SERVER, listener,
-                         broker);
+    Listener* listener) {
+  return Channel::Create(channel_handle, Channel::MODE_NAMED_SERVER, listener);
 }
 
 // static
 scoped_ptr<Channel> Channel::CreateNamedClient(
     const IPC::ChannelHandle& channel_handle,
-    Listener* listener,
-    AttachmentBroker* broker) {
-  return Channel::Create(channel_handle, Channel::MODE_NAMED_CLIENT, listener,
-                         broker);
+    Listener* listener) {
+  return Channel::Create(channel_handle, Channel::MODE_NAMED_CLIENT, listener);
 }
 
 #if defined(OS_POSIX)
 // static
 scoped_ptr<Channel> Channel::CreateOpenNamedServer(
     const IPC::ChannelHandle& channel_handle,
-    Listener* listener,
-    AttachmentBroker* broker) {
+    Listener* listener) {
   return Channel::Create(channel_handle, Channel::MODE_OPEN_NAMED_SERVER,
-                         listener, broker);
+                         listener);
 }
 #endif
 
 // static
 scoped_ptr<Channel> Channel::CreateServer(
     const IPC::ChannelHandle& channel_handle,
-    Listener* listener,
-    AttachmentBroker* broker) {
-  return Channel::Create(channel_handle, Channel::MODE_SERVER, listener,
-                         broker);
+    Listener* listener) {
+  return Channel::Create(channel_handle, Channel::MODE_SERVER, listener);
 }
 
 Channel::~Channel() {