Use ChannelMojo for NaCl PPAPI channels.

content/renderer/pepper/host_dispatcher_wrapper.cc

Index: content/renderer/pepper/host_dispatcher_wrapper.cc
diff --git a/content/renderer/pepper/host_dispatcher_wrapper.cc b/content/renderer/pepper/host_dispatcher_wrapper.cc
index 88d567a5cdb77d89db20998549ce965ca0e6c96b..1aebef90c6a407c3bb5a622f67d8335daf710abe 100644
--- a/content/renderer/pepper/host_dispatcher_wrapper.cc
+++ b/content/renderer/pepper/host_dispatcher_wrapper.cc
@@ -37,13 +37,16 @@ bool HostDispatcherWrapper::Init(const IPC::ChannelHandle& channel_handle,
                                  PP_GetInterface_Func local_get_interface,
                                  const ppapi::Preferences& preferences,
                                  scoped_refptr<PepperHungPluginFilter> filter) {
-  if (channel_handle.name.empty())
+  if (channel_handle.name.empty() && !channel_handle.is_mojo_channel_handle())
     return false;
 
 #if defined(OS_POSIX)
-  DCHECK_NE(-1, channel_handle.socket.fd);
-  if (channel_handle.socket.fd == -1)
+  DCHECK(channel_handle.socket.fd != -1 ||
+         channel_handle.is_mojo_channel_handle());
+  if (channel_handle.socket.fd == -1 &&
+      !channel_handle.is_mojo_channel_handle()) {
     return false;
+  }
 #endif
 
   dispatcher_delegate_.reset(new PepperProxyChannelDelegateImpl);