win: Save contents of PEB to minidump

minidump/minidump_file_writer.cc

Index: minidump/minidump_file_writer.cc
diff --git a/minidump/minidump_file_writer.cc b/minidump/minidump_file_writer.cc
index 3d321c0b33553a98407205aaa27ee404acd256cf..33c4806c8d2296aa59f244f0dd83bfd114f7c620 100644
--- a/minidump/minidump_file_writer.cc
+++ b/minidump/minidump_file_writer.cc
@@ -93,6 +93,8 @@ void MinidumpFileWriter::InitializeFromSnapshot(
   auto crashpad_info = make_scoped_ptr(new MinidumpCrashpadInfoWriter());
   crashpad_info->InitializeFromSnapshot(process_snapshot);
 
+  memory_list->AddFromSnapshot(process_snapshot->ExtraMemory());

[Mark Mentovai, 2015/09/25 17:32:32]

It’s OK to do this after the crashpad_info stuff, but right here, it’s in the
middle of the crashpad_info.

[scottmg, 2015/09/25 19:20:34]

Hmm, you're right. OK, at the end it is:
https://codereview.chromium.org/1369823002.

+
   // Since the MinidumpCrashpadInfo stream is an extension, it’s safe to not add
   // it to the minidump file if it wouldn’t carry any useful information.
   if (crashpad_info->IsUseful()) {