Update pepper to not assume that SharedMemoryHandle is an int.

ppapi/thunk/ppb_buffer_api.h

Index: ppapi/thunk/ppb_buffer_api.h
diff --git a/ppapi/thunk/ppb_buffer_api.h b/ppapi/thunk/ppb_buffer_api.h
index 2542ec4cf5a96d2176b65c3f0766d4bf02e6be1d..a44a3f23eaec12fd4f7aeba9aad4a5ab45e7a951 100644
--- a/ppapi/thunk/ppb_buffer_api.h
+++ b/ppapi/thunk/ppb_buffer_api.h
@@ -5,6 +5,7 @@
 #ifndef PPAPI_THUNK_PPB_BUFFER_API_H_
 #define PPAPI_THUNK_PPB_BUFFER_API_H_
 
+#include "base/memory/shared_memory.h"
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_stdint.h"
 #include "ppapi/thunk/ppapi_thunk_export.h"
@@ -22,7 +23,7 @@ class PPAPI_THUNK_EXPORT PPB_Buffer_API {
   virtual void Unmap() = 0;
 
   // Trusted API
-  virtual int32_t GetSharedMemory(int* handle) = 0;
+  virtual int32_t GetSharedMemory(base::SharedMemoryHandle* shm_handle) = 0;
 };
 
 }  // namespace thunk