Update pepper to not assume that SharedMemoryHandle is an int.

content/renderer/pepper/pepper_platform_audio_output.cc

Index: content/renderer/pepper/pepper_platform_audio_output.cc
diff --git a/content/renderer/pepper/pepper_platform_audio_output.cc b/content/renderer/pepper/pepper_platform_audio_output.cc
index 1f8a8e609271a96d1560ec4fa4e0d4493a535ae6..173abcfea79410cd93f54aa101179342d358e02f 100644
--- a/content/renderer/pepper/pepper_platform_audio_output.cc
+++ b/content/renderer/pepper/pepper_platform_audio_output.cc
@@ -80,7 +80,7 @@ void PepperPlatformAudioOutput::OnStreamCreated(
   DCHECK(handle);
   DCHECK(socket_handle);
 #else
-  DCHECK_NE(-1, handle.fd);
+  DCHECK(base::SharedMemory::IsHandleValid(handle));
   DCHECK_NE(-1, socket_handle);
 #endif
   DCHECK(length);