Instrument MediaCapabilities::decodingInfo() for identifiability study

This will help determine whether the API leaks any cross-site entropy
about users and, if so, how much.

(cherry picked from commit 10add1d97267e69ab2083e3dd6177b1552e4935b)

Bug: 973801
Change-Id: I244130bfd50b0b745a7c215d3a01490b1443cd05
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2436620
Reviewed-by: Jeremy Roman <[email protected]>
Reviewed-by: Mounir Lamouri <[email protected]>
Reviewed-by: Asanka Herath <[email protected]>
Commit-Queue: Alex Turner <[email protected]>
Cr-Original-Commit-Position: refs/heads/master@{#817082}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2485533
Cr-Commit-Position: refs/branch-heads/4280@{#510}
Cr-Branched-From: ea420fb963f9658c9969b6513c56b8f47efa1a2a-refs/heads/master@{#812852}
9 files changed
tree: 012cd5adea677ebf293f1a3a84895c63017edab5
  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. cloud_print/
  13. components/
  14. content/
  15. courgette/
  16. crypto/
  17. dbus/
  18. device/
  19. docs/
  20. extensions/
  21. fuchsia/
  22. gin/
  23. google_apis/
  24. google_update/
  25. gpu/
  26. headless/
  27. infra/
  28. ios/
  29. ipc/
  30. jingle/
  31. media/
  32. mojo/
  33. native_client_sdk/
  34. net/
  35. pdf/
  36. ppapi/
  37. printing/
  38. remoting/
  39. rlz/
  40. sandbox/
  41. services/
  42. skia/
  43. sql/
  44. storage/
  45. styleguide/
  46. testing/
  47. third_party/
  48. tools/
  49. ui/
  50. url/
  51. weblayer/
  52. .clang-format
  53. .clang-tidy
  54. .eslintrc.js
  55. .git-blame-ignore-revs
  56. .gitattributes
  57. .gitignore
  58. .gn
  59. .vpython
  60. .vpython3
  61. .yapfignore
  62. AUTHORS
  63. BUILD.gn
  64. CODE_OF_CONDUCT.md
  65. codereview.settings
  66. DEPS
  67. DIR_METADATA
  68. ENG_REVIEW_OWNERS
  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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Chromium is an open-source browser project that aims to build a safer, faster, and more stable way for all users to experience the web.

The project's web site is https://www.chromium.org.

Documentation in the source is rooted in docs/README.md.

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For historical reasons, there are some small top level directories. Now the guidance is that new top level directories are for product (e.g. Chrome, Android WebView, Ash). Even if these products have multiple executables, the code should be in subdirectories of the product.