Remove use of deprecated v8::StartupData::compressed_size.

pdf/out_of_process_instance.cc

Index: pdf/out_of_process_instance.cc
diff --git a/pdf/out_of_process_instance.cc b/pdf/out_of_process_instance.cc
index 48549611e83f6852207e884ce26db70c42b2360d..9dcf4d9aa33833643d0b9a219f3e4df1287013d2 100644
--- a/pdf/out_of_process_instance.cc
+++ b/pdf/out_of_process_instance.cc
@@ -287,8 +287,6 @@ bool OutOfProcessInstance::Init(uint32_t argc,
   pp::PDF::GetV8ExternalSnapshotData(this, &natives.data, &natives.raw_size,
                                      &snapshot.data, &snapshot.raw_size);
   if (natives.data) {
-    natives.compressed_size = natives.raw_size;
-    snapshot.compressed_size = snapshot.raw_size;
     v8::V8::SetNativesDataBlob(&natives);
     v8::V8::SetSnapshotDataBlob(&snapshot);
   }