sharing: pass share attempt data through to the sharing hub

This change adds a new type, share::ShareAttempt, which wraps up the
data needed for a single attempted share. This type is currently only
used to store a WebContents and some metadata about it, but it will
shortly be used to store the title, URL, and other information for other
shares (like image or link shares).

The new type needs to be plumbed through:
* BrowserView (regrettably)
* SharingHubBubbleController and its impls
* SharingHubBubbleView
* PreviewView

(cherry picked from commit 2bf11e33cd13baeb5051ad72e4739099fe4fd5bc)

Bug: 1312524
Change-Id: Ic00a34b5b7a56e01ceb1344dd4fcc6666a60dda7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3648415
Commit-Queue: Elly Fong-Jones <ellyjones@chromium.org>
Reviewed-by: Jeffrey Cohen <jeffreycohen@chromium.org>
Cr-Original-Commit-Position: refs/heads/main@{#1004033}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3656474
Auto-Submit: Elly Fong-Jones <ellyjones@chromium.org>
Commit-Queue: Jeffrey Cohen <jeffreycohen@chromium.org>
Cr-Commit-Position: refs/branch-heads/5060@{#138}
Cr-Branched-From: b83393d0f4038aeaf67f970a024d8101df7348d1-refs/heads/main@{#1002911}
24 files changed
tree: fe0dc5f7cb3fbd1fd0b011f9e1963535d22dbb06
  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/
  22. fuchsia_webengine/
  23. gin/
  24. google_apis/
  25. google_update/
  26. gpu/
  27. headless/
  28. infra/
  29. ios/
  30. ipc/
  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. .mailmap
  60. .rustfmt.toml
  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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