[Chromecast] Mojofy more of CastWebContents

* Introduce new CastWebContentsObserver base class as a default no-op
  implementation of mojom::CastWebContentsObserver.
* Removes CWC::Delegate in favor of mojom::CWCObserver.
* Provides IdentificationSettings hookups in RenderFrameCreated(). This
  requires a proxy interface through the browser since Associated
  interfaces can't be synced across different processes.
* Switch from BinderRegistry to RemoteInterfaces in CWC.
* Distinguish between synchronous, in-process Observers and async
  mojom::CastWebContentsObserver in CWC.
* Add mojom::BrowserIdentificationSettings and remove some methods from
  mojom::CastWebService. This is due to an unwanted //media dependency
  that arises from using mojom::CastWebService.

Note for SECURITY_OWNERS: Review go/cast-browser-api for added context.

Bug: b/149041392
Test: CQ, Build/run on display assistant, launch YT.

Change-Id: Ib48df4440476cfdd0ccd2c18836af789f69cf27e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3078885
Commit-Queue: Sean Topping <[email protected]>
Reviewed-by: Robert Sesek <[email protected]>
Reviewed-by: Jiawei Li <[email protected]>
Reviewed-by: Junbo Ke <[email protected]>
Cr-Commit-Position: refs/heads/main@{#914526}
35 files changed
tree: f4936e550a007ad9a1923572d9e4e9298608c2a2
  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. codelabs/
  14. components/
  15. content/
  16. courgette/
  17. crypto/
  18. dbus/
  19. device/
  20. docs/
  21. extensions/
  22. fuchsia/
  23. gin/
  24. google_apis/
  25. google_update/
  26. gpu/
  27. headless/
  28. infra/
  29. ios/
  30. ipc/
  31. jingle/
  32. media/
  33. mojo/
  34. native_client_sdk/
  35. net/
  36. pdf/
  37. ppapi/
  38. printing/
  39. remoting/
  40. rlz/
  41. sandbox/
  42. services/
  43. skia/
  44. sql/
  45. storage/
  46. styleguide/
  47. testing/
  48. third_party/
  49. tools/
  50. ui/
  51. url/
  52. weblayer/
  53. .clang-format
  54. .clang-tidy
  55. .eslintrc.js
  56. .git-blame-ignore-revs
  57. .gitattributes
  58. .gitignore
  59. .gn
  60. .mailmap
  61. .vpython
  62. .vpython3
  63. .yapfignore
  64. AUTHORS
  65. BUILD.gn
  66. CODE_OF_CONDUCT.md
  67. codereview.settings
  68. DEPS
  69. DIR_METADATA
  70. ENG_REVIEW_OWNERS
  71. LICENSE
  72. LICENSE.chromium_os
  73. OWNERS
  74. PRESUBMIT.py
  75. PRESUBMIT_test.py
  76. PRESUBMIT_test_mocks.py
  77. README.md
  78. WATCHLISTS
README.md

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