Update pepper to not assume that SharedMemoryHandle is an int.

content/renderer/pepper/pepper_platform_audio_input.cc

Index: content/renderer/pepper/pepper_platform_audio_input.cc
diff --git a/content/renderer/pepper/pepper_platform_audio_input.cc b/content/renderer/pepper/pepper_platform_audio_input.cc
index f30602775ebf0c221621392b47df6e61290e3103..f87fa646664c105c0fcdbaab1567e55931fddcf3 100644
--- a/content/renderer/pepper/pepper_platform_audio_input.cc
+++ b/content/renderer/pepper/pepper_platform_audio_input.cc
@@ -87,7 +87,7 @@ void PepperPlatformAudioInput::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);