Pool TypeName strings when writing MINIDUMP_HANDLE_DESCRIPTOR

minidump/minidump_handle_writer.h

Index: minidump/minidump_handle_writer.h
diff --git a/minidump/minidump_handle_writer.h b/minidump/minidump_handle_writer.h
index 592456b96160fc227b8340db3f2ab40dac9c2493..f2e5f0a50f6ad97d48b5de5584024e38e0c9e9f9 100644
--- a/minidump/minidump_handle_writer.h
+++ b/minidump/minidump_handle_writer.h
@@ -18,13 +18,13 @@
 #include <windows.h>
 #include <dbghelp.h>
 
+#include <map>
 #include <vector>
 
 #include "minidump/minidump_stream_writer.h"
 #include "minidump/minidump_string_writer.h"
 #include "minidump/minidump_writable.h"
 #include "snapshot/handle_snapshot.h"
-#include "util/stdlib/pointer_container.h"
 
 namespace crashpad {
 
@@ -65,7 +65,7 @@ class MinidumpHandleDataWriter final : public internal::MinidumpStreamWriter {
  private:
   MINIDUMP_HANDLE_DATA_STREAM handle_data_stream_base_;
   std::vector<MINIDUMP_HANDLE_DESCRIPTOR> handle_descriptors_;
-  PointerVector<internal::MinidumpUTF16StringWriter> strings_;
+  std::map<base::string16, internal::MinidumpUTF16StringWriter*> strings_;
 
   DISALLOW_COPY_AND_ASSIGN(MinidumpHandleDataWriter);
 };