Create a broker interface for the new Mojo EDK so that the browser can create and duplicate messa...

content/child/child_thread_impl.cc

Index: content/child/child_thread_impl.cc
diff --git a/content/child/child_thread_impl.cc b/content/child/child_thread_impl.cc
index be915a08df82b9be4e991680f17a9c066617e54b..e21898084dde7ae178810e4d730c972ceef9477b 100644
--- a/content/child/child_thread_impl.cc
+++ b/content/child/child_thread_impl.cc
@@ -61,6 +61,7 @@
 #include "ipc/ipc_sync_channel.h"
 #include "ipc/ipc_sync_message_filter.h"
 #include "ipc/mojo/ipc_channel_mojo.h"
+#include "third_party/mojo/src/mojo/edk/embedder/embedder.h"
 
 #if defined(TCMALLOC_TRACE_MEMORY_SUPPORTED)
 #include "third_party/tcmalloc/chromium/src/gperftools/heap-profiler.h"
@@ -658,6 +659,10 @@ bool ChildThreadImpl::OnMessageReceived(const IPC::Message& msg) {
                         OnProcessBackgrounded)
     IPC_MESSAGE_HANDLER(MojoMsg_BindExternalMojoShellHandle,
                         OnBindExternalMojoShellHandle)
+#if defined(OS_WIN)
+    IPC_MESSAGE_HANDLER(ChildProcessMsg_SetMojoParentPipeHandle,
+                        OnSetMojoParentPipeHandle)
+#endif
 #if defined(USE_TCMALLOC)
     IPC_MESSAGE_HANDLER(ChildProcessMsg_GetTcmallocStats, OnGetTcmallocStats)
 #endif
@@ -730,6 +735,13 @@ void ChildThreadImpl::OnBindExternalMojoShellHandle(
 #endif  // defined(MOJO_SHELL_CLIENT)
 }
 
+#if defined(OS_WIN)
+void ChildThreadImpl::OnSetMojoParentPipeHandle(
+    const IPC::PlatformFileForTransit& file) {
+  mojo::embedder::SetParentPipeHandle(file);
+}
+#endif
+
 #if defined(USE_TCMALLOC)
 void ChildThreadImpl::OnGetTcmallocStats() {
   std::string result;