Support creating mojo peer connections from named pipes.

mojo/edk/embedder/named_platform_channel_pair.h

Index: mojo/edk/embedder/named_platform_channel_pair.h
diff --git a/mojo/edk/embedder/named_platform_channel_pair.h b/mojo/edk/embedder/named_platform_channel_pair.h
index 0dcbde52616872ac64b131d4b3da18807fd9f2a4..e650cebff8654ce80fc028bebd0fc8f755888dea 100644
--- a/mojo/edk/embedder/named_platform_channel_pair.h
+++ b/mojo/edk/embedder/named_platform_channel_pair.h
@@ -10,6 +10,7 @@
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "build/build_config.h"
+#include "mojo/edk/embedder/named_platform_handle.h"
 #include "mojo/edk/embedder/scoped_platform_handle.h"
 #include "mojo/edk/system/system_impl_export.h"
 
@@ -49,12 +50,9 @@ class MOJO_SYSTEM_IMPL_EXPORT NamedPlatformChannelPair {
       base::CommandLine* command_line) const;
 
  private:
+  NamedPlatformHandle pipe_handle_;
   ScopedPlatformHandle server_handle_;
 
-#if defined(OS_WIN)
-  base::string16 pipe_name_;
-#endif
-
   DISALLOW_COPY_AND_ASSIGN(NamedPlatformChannelPair);
 };