[mojo-edk] Simplify multiprocess pipe bootstrap

mojo/edk/system/core.h

Index: mojo/edk/system/core.h
diff --git a/mojo/edk/system/core.h b/mojo/edk/system/core.h
index 8e9af8eddb5dfaf691d59dad3a24df1cb34c5bfa..43b88036356b7135d96946aefc679e13e82800a6 100644
--- a/mojo/edk/system/core.h
+++ b/mojo/edk/system/core.h
@@ -52,10 +52,16 @@ class MOJO_SYSTEM_IMPL_EXPORT Core {
   // Called in a child process exactly once during early initialization.
   void InitChild(ScopedPlatformHandle platform_handle);
 
+  // Creates a message pipe endpoint connected to an an endpoint in a remote
+  // embedder. |platform_handle| is used as a channel to negotiate the
+  // connection.
+  ScopedMessagePipeHandle CreateMessagePipe(
+      ScopedPlatformHandle platform_handle);
+
   // This creates a message pipe endpoint connected to an endpoint in a remote
   // embedder. |platform_handle| is used as a channel to negotiate the
-  // connection. This is only here to facilitate legacy embedder code. See
-  // mojo::edk::CreateMessagePipe in mojo/edk/embedder/embedder.h.
+  // connection. DEPRECATED. Please use the above method instead. This is now
+  // merely an inconvenient wrapper for that.
   void CreateMessagePipe(
       ScopedPlatformHandle platform_handle,
       const base::Callback<void(ScopedMessagePipeHandle)>& callback);