Update Crashpad to 8e37886d418dd042c3c7bfadac99214739ee4d98

third_party/crashpad/crashpad/minidump/minidump_user_stream_writer.h

Index: third_party/crashpad/crashpad/minidump/minidump_user_stream_writer.h
diff --git a/third_party/crashpad/crashpad/minidump/minidump_user_stream_writer.h b/third_party/crashpad/crashpad/minidump/minidump_user_stream_writer.h
index b31247a380a44fbb4a7c1a16f3ea9c911d1a9aad..838ed0deeccbad53b3604a7b9d0d543ab3832853 100644
--- a/third_party/crashpad/crashpad/minidump/minidump_user_stream_writer.h
+++ b/third_party/crashpad/crashpad/minidump/minidump_user_stream_writer.h
@@ -22,6 +22,7 @@
 #include <vector>
 
 #include "base/macros.h"
+#include "minidump/minidump_extensions.h"
 #include "minidump/minidump_stream_writer.h"
 #include "minidump/minidump_writable.h"
 #include "snapshot/module_snapshot.h"
@@ -41,6 +42,18 @@ class MinidumpUserStreamWriter final : public internal::MinidumpStreamWriter {
   //! \note Valid in #kStateMutable.
   void InitializeFromSnapshot(const UserMinidumpStream* stream);
 
+  //! \brief Initializes a MINIDUMP_USER_STREAM based on \a stream_type,
+  //!     \a buffer and \a buffer_size.
+  //!
+  //! \param[in] stream_type The type of the stream.
+  //! \param[in] buffer The data for the stream.
+  //! \param[in] buffer_size The length of \a buffer, and the resulting stream.
+  //!
+  //! \note Valid in #kStateMutable.
+  void InitializeFromBuffer(MinidumpStreamType stream_type,
+                            const void* buffer,
+                            size_t buffer_size);
+
  protected:
   // MinidumpWritable:
   bool Freeze() override;
@@ -52,22 +65,13 @@ class MinidumpUserStreamWriter final : public internal::MinidumpStreamWriter {
   MinidumpStreamType StreamType() const override;
 
  private:
-  class MemoryReader : public MemorySnapshot::Delegate {
-   public:
-    ~MemoryReader() override;
-    bool MemorySnapshotDelegateRead(void* data, size_t size) override;
-
-    const void* data() const {
-      return reinterpret_cast<const void*>(data_.data());
-    }
-    size_t size() const { return data_.size(); }
-
-   private:
-    std::vector<uint8_t> data_;
-  };
-
-  uint32_t stream_type_;
-  MemoryReader reader_;
+  class ContentsWriter;
+  class SnapshotContentsWriter;
+  class BufferContentsWriter;
+
+  std::unique_ptr<ContentsWriter> contents_writer_;
+
+  MinidumpStreamType stream_type_;
 
   DISALLOW_COPY_AND_ASSIGN(MinidumpUserStreamWriter);
 };