* refactor: convert flyout_button.js to ES6 class
* chore: move some properties into constructor and add annotations for flyout base
* refactor: convert flyout_horizontal.js to ES6 class
* refactor: convert flyout_vertical.js to ES6 class
* refactor: convert flyout_base.js to ES6 class
* refactor: convert flyout_metrics_manager.js to ES6 class
* refactor: convert insertion_marker_manager.js to ES6 class
* refactor: convert metrics_manager.js to ES6 class
* refactor: convert grid.js to ES6 class
* refactor: convert input.js to ES6 class
* refactor: convert touch_gesture.js to ES6 class
* refactor: convert gesture.js to ES6 class
* refactor: convert trashcan.js to ES6 class
* chore: rebuild and run format
* chore: fix review comments
* chore: respond to PR comments
Our files are up to a decade old, and have churned so much, that the initial author of the file no longer has much meaning.
Furthermore, this will encourage developers to post to the developer group, rather than emailing Googlers (usually me) directly.
* Add annotations to files under core/events
* Add annotations to files under core/interfaces
* Add annotations to files under core/keyboard_nav
* Add annotations to files under core/renderers
* Add annotations to files under core/serialization
* Add annotations to files under core/theme
* Add annotations to files under core/toolbox
* Add annotations to files under core/utils
* Add annotations to files under core
