Bootstrap Mojo IPC independent of Chrome IPC

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 0e08a8c3ae27c5074023c460519548a305f0f36f..d87f51117bd09731d10d200324d3155ca90e8789 100644
--- a/mojo/edk/system/core.h
+++ b/mojo/edk/system/core.h
@@ -50,9 +50,26 @@ class MOJO_SYSTEM_IMPL_EXPORT Core {
   void AddChild(base::ProcessHandle process_handle,
                 ScopedPlatformHandle platform_handle);
 
-  // Called in a child process exactly once during early initialization.
+  // Called in the parent process any time a new child is launched. |secret|
+  // must be received from the child process before normal handshake can begin.
+  //
+  // NOTE: This should be used only on Windows.
+  void AddChild(base::ProcessHandle process_handle,
+                ScopedPlatformHandle platform_handle,
+                const std::string& secret);
+
+  // Called in a child process exactly once during early initialization to
+  // establish a connection to the parent process.
   void InitChild(ScopedPlatformHandle platform_handle);
 
+  // Called in a child process exactly once during early initialization to
+  // establish a connection to the parent process. |secret| is transmitted
+  // before beginning normal handshake.
+  //
+  // NOTE: This should be used only on Windows.
+  void InitChild(ScopedPlatformHandle platform_handle,
+                 const std::string& secret);
+
   // Creates a message pipe endpoint connected to an endpoint in a remote
   // embedder. |platform_handle| is used as a channel to negotiate the
   // connection.