Replace CompletionOnceCallback with ErrorCallback for FileStream operations [chromium/src : main]

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Helmut Januschka (Gerrit)

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Feb 9, 2026, 3:53:27 PM (12 days ago) Feb 9
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Helmut Januschka . resolved

hello @ho...@chromium.org thanks in advance for review.

please let me know if you want me to address anything!

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Dan Harrington (Gerrit)

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    Emilia Paz (Gerrit)

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    Feb 9, 2026, 4:42:00 PM (12 days ago) Feb 9
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    Thanks!

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    Tsuyoshi Horo (Gerrit)

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    Tsuyoshi Horo . resolved

    lgtm

    File net/base/mock_file_stream.h
    Line 25, Patchset 3 (Latest):class MockFileStream : public FileStream {
    Tsuyoshi Horo . unresolved

    It seems that the MockFileStream class is no longer being used. Could you please delete net/base/mock_file_stream.h and net/base/mock_file_stream.cc? Doing this in a follow-up CL after this one lands is fine with me.

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    Emilia Paz (Gerrit)

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    Emilia Paz . resolved

    extensions slgtm

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    Dan Harrington (Gerrit)

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    Helmut Januschka (Gerrit)

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    File net/base/mock_file_stream.h
    Line 25, Patchset 3:class MockFileStream : public FileStream {
    Tsuyoshi Horo . resolved

    It seems that the MockFileStream class is no longer being used. Could you please delete net/base/mock_file_stream.h and net/base/mock_file_stream.cc? Doing this in a follow-up CL after this one lands is fine with me.

    Helmut Januschka

    removed them, splitting is more pain than gain in that case i guess!

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    Tsuyoshi Horo (Gerrit)

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    Tsuyoshi Horo . resolved

    lgtm

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      Emilia Paz (Gerrit)

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      extensions lgtm, thanks!

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      Change information

      Commit message:
      Replace CompletionOnceCallback with ErrorCallback for FileStream operations

      Modernize FileStream::Open(), Close(), Flush(), GetFileInfo(), and
      ConnectNamedPipe() to use a typed ErrorCallback (OnceCallback<void(
      net::Error)>) instead of the deprecated CompletionOnceCallback which
      overloads int for both error codes and success.
      Bug: 471017624
      Change-Id: I950d97a6cb8a27dcb039749d26f5595d131feeb0
      Reviewed-by: Emilia Paz <emil...@chromium.org>
      Commit-Queue: Helmut Januschka <hel...@januschka.com>
      Reviewed-by: Tsuyoshi Horo <ho...@chromium.org>
      Cr-Commit-Position: refs/heads/main@{#1588001}
      Files:
      • M chrome/browser/extensions/api/messaging/launch_context.h
      • M chrome/browser/extensions/api/messaging/launch_context_win.cc
      • M chrome/browser/offline_pages/offline_page_request_handler.cc
      • M net/base/file_stream.cc
      • M net/base/file_stream.h
      • M net/base/file_stream_unittest.cc
      • M net/base/upload_file_element_reader.cc
      • M net/test/url_request/url_request_test_job_backed_by_file.cc
      • M net/test/url_request/url_request_test_job_backed_by_file.h
      • M storage/browser/file_system/local_file_stream_reader.cc
      • M storage/browser/file_system/local_file_stream_reader.h
      • M storage/browser/file_system/local_file_stream_writer.cc
      • M storage/browser/file_system/local_file_stream_writer.h
      Change size: M
      Delta: 13 files changed, 114 insertions(+), 62 deletions(-)
      Branch: refs/heads/main
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