Update Crashpad to 8e37886d418dd042c3c7bfadac99214739ee4d98

third_party/crashpad/crashpad/minidump/minidump_user_stream_writer.h

 // Copyright 2016 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
 #ifndef CRASHPAD_MINIDUMP_MINIDUMP_USER_STREAM_WRITER_H_
 #define CRASHPAD_MINIDUMP_MINIDUMP_USER_STREAM_WRITER_H_
 
 #include <windows.h>
 #include <dbghelp.h>
 #include <stdint.h>
 
 #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"
 
 namespace crashpad {
 
 //! \brief The writer for a MINIDUMP_USER_STREAM in a minidump file.
 class MinidumpUserStreamWriter final : public internal::MinidumpStreamWriter {
  public:
   MinidumpUserStreamWriter();
   ~MinidumpUserStreamWriter() override;
 
   //! \brief Initializes a MINIDUMP_USER_STREAM based on \a stream.
   //!
   //! \param[in] stream The memory and stream type to use as source data.
   //!
   //! \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;
   size_t SizeOfObject() override;
   std::vector<internal::MinidumpWritable*> Children() override;
   bool WriteObject(FileWriterInterface* file_writer) override;
 
   // MinidumpStreamWriter:
   MinidumpStreamType StreamType() const override;
 
  private:
-  class MemoryReader : public MemorySnapshot::Delegate {
-   public:
-    ~MemoryReader() override;
-    bool MemorySnapshotDelegateRead(void* data, size_t size) override;
+  class ContentsWriter;
+  class SnapshotContentsWriter;
+  class BufferContentsWriter;
 
-    const void* data() const {
-      return reinterpret_cast<const void*>(data_.data());
-    }
-    size_t size() const { return data_.size(); }
+  std::unique_ptr<ContentsWriter> contents_writer_;
 
-   private:
-    std::vector<uint8_t> data_;
-  };
-
-  uint32_t stream_type_;
-  MemoryReader reader_;
+  MinidumpStreamType stream_type_;
 
   DISALLOW_COPY_AND_ASSIGN(MinidumpUserStreamWriter);
 };
 
 }  // namespace crashpad
 
 #endif  // CRASHPAD_MINIDUMP_MINIDUMP_USER_STREAM_WRITER_H_