attachment broker wip

chrome/browser/apps/app_shim/app_shim_host_mac.cc

Index: chrome/browser/apps/app_shim/app_shim_host_mac.cc
diff --git a/chrome/browser/apps/app_shim/app_shim_host_mac.cc b/chrome/browser/apps/app_shim/app_shim_host_mac.cc
index 6ce706eba279fb95fe84bb5154bd53ec2c820c62..91da6c1c4b83bc35c53f1fe029bd40aad93ad2f6 100644
--- a/chrome/browser/apps/app_shim/app_shim_host_mac.cc
+++ b/chrome/browser/apps/app_shim/app_shim_host_mac.cc
@@ -10,6 +10,7 @@
 #include "chrome/browser/apps/app_shim/app_shim_handler_mac.h"
 #include "chrome/common/mac/app_shim_messages.h"
 #include "content/public/browser/browser_thread.h"
+#include "content/public/common/child_process_host.h"
 #include "ipc/ipc_channel_proxy.h"
 
 AppShimHost::AppShimHost() : initial_launch_finished_(false) {}
@@ -25,11 +26,10 @@ void AppShimHost::ServeChannel(const IPC::ChannelHandle& handle) {
   DCHECK(CalledOnValidThread());
   DCHECK(!channel_.get());
   channel_ = IPC::ChannelProxy::Create(
-      handle,
-      IPC::Channel::MODE_SERVER,
-      this,
+      handle, IPC::Channel::MODE_SERVER, this,
       content::BrowserThread::GetMessageLoopProxyForThread(
-          content::BrowserThread::IO).get());
+          content::BrowserThread::IO).get(),
+      content::ChildProcessHost::GetAttachmentBroker());
 }
 
 base::FilePath AppShimHost::GetProfilePath() const {