Introduce SharedDictionaryWriterOnDisk

This CL introduces SharedDictionaryWriterOnDisk class which stores the
binary of dictionary as an entry of SharedDictionaryDiskCache. Its
FinishCallback is called when the entire dictionary binary has been
stored to the disk cache, or when an error occurs. This class handles
zero-sized data as an error.

Currently, SharedDictionaryWriterInMemory's FinishCallback can be called
with zero-sized data. To make the behavior consistent, this CL also
modifies SharedDictionaryWriterInMemory to call FinishCallback with an
error when no data has been written.

Also this CL changes SharedDictionaryDiskCache to support using mocked
Disk Cache backend for testing

Low-Coverage-Reason: Not reached cases in switch statement.
Bug: 1413922
Change-Id: I2cbe014a7aad739f3c4010b613824d5bb7e1b42f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4421724
Code-Coverage: Findit <findit-for-me@appspot.gserviceaccount.com>
Reviewed-by: Patrick Meenan <pmeenan@chromium.org>
Commit-Queue: Tsuyoshi Horo <horo@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1131228}
13 files changed
tree: ed144b35e398bf9a5ea98458ea43300ddf8da9f4
  1. android_webview/
  2. apps/
  3. ash/
  4. base/
  5. build/
  6. build_overrides/
  7. buildtools/
  8. cc/
  9. chrome/
  10. chromecast/
  11. chromeos/
  12. codelabs/
  13. components/
  14. content/
  15. courgette/
  16. crypto/
  17. dbus/
  18. device/
  19. docs/
  20. extensions/
  21. fuchsia_web/
  22. gin/
  23. google_apis/
  24. google_update/
  25. gpu/
  26. headless/
  27. infra/
  28. ios/
  29. ipc/
  30. media/
  31. mojo/
  32. native_client_sdk/
  33. net/
  34. pdf/
  35. ppapi/
  36. printing/
  37. remoting/
  38. rlz/
  39. sandbox/
  40. services/
  41. skia/
  42. sql/
  43. storage/
  44. styleguide/
  45. testing/
  46. third_party/
  47. tools/
  48. ui/
  49. url/
  50. weblayer/
  51. .clang-format
  52. .clang-tidy
  53. .eslintrc.js
  54. .git-blame-ignore-revs
  55. .gitattributes
  56. .gitignore
  57. .gn
  58. .mailmap
  59. .rustfmt.toml
  60. .vpython3
  61. .yapfignore
  62. ATL_OWNERS
  63. AUTHORS
  64. BUILD.gn
  65. CODE_OF_CONDUCT.md
  66. codereview.settings
  67. DEPS
  68. DIR_METADATA
  69. LICENSE
  70. LICENSE.chromium_os
  71. OWNERS
  72. PRESUBMIT.py
  73. PRESUBMIT_test.py
  74. PRESUBMIT_test_mocks.py
  75. README.md
  76. WATCHLISTS
README.md

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