* Make all methods static
The two non-static methods are kept for temporary compatibility
* Use this instead of class name now that functions are static
* Update test
* Don't instantiate DocumentUtil
* Remove temporary non-static methods
* Remove unused global declaration
* Update material.css to support password fields
* Support password
* Add "apiKey" setting
* Use apiKey
* Update options if API key changes
* Update tests
* Rename elementRect to sourceRect
* Add getRects function to TextSourceElement and TextSourceRange
* Add jsdocs
* Remove unnecessary valid parameter
* Remove default parameter
* Make optionsContext optional
* Remove unnecessary checks
* Update sourceRect to use left/right rather than x/y
* Update the return type of Popup*.getFrameRect
* Rename some unrelated rect vars for disambiguation
* Disambiguate between Popup.Rect and Popup.ValidRect
* Move sourceRect destructuring
* Pass multiple source rects
* Simplify
* Change Rect to use right/bottom rather than width/height
* Update how popup offset is applied
* Simplify frame offset
* Remove _applyFrameOffset
* Use right/bottom rather than width/height
* Simplify some positioning settings
* Update parameter names for clarity
* Fix typos
* Refactor data type for _getPosition* functions
* Support using multiple source rects
* Combine _getPosition functions
* Refactor
* Expose after dataset value
* Consistently use this's property
* Add jsdoc
* Remove regex construction for SimpleDOMParser.getElementsByClassName
* Remove regex construction for CssStyleApplier._getRulesForClass
* Rename, add jsdoc for clarity
* Add type property to TextSource* classes
* Use type property rather than instanceof
* Expose a sentence offset value
* Use offset added to URL
* Improve fallback sentence for Anki note context
* Move comment
* Add DocumentUtil.isInputElement
* Use DocumentUtil.isInputElement
* Fix simple hotkeys (shift or no modifier) preventing text field input
* Improve input detection
* Validate key is an input character before blocking hotkey
* Simplify
* Fix incorrect property
* Rename field
* Set up pronunication components
* Fix documentation
* Rename function
* Update test dependencies
* Fix constructor
* Log errors
* Add pronunciation helper
* Add styleApplier argument to _getHtml/_normalizeHtml
* Use getAttribute for 'class' to support namespaced elements (e.g. svg)
* Update format name
* Add optional tag
* Update docs
* Update how glossary text is formatted
* Update structured content and image generation
* Pass root data to _createStructuredContentGenerator
* Implement media URLs
* Update documentation
* Update options util
* Apply styles to content
* Improve HTML normalization
* Update DatabaseVM.fetch function
* Update test
* Update test data
* Update PopupMenu event prevention
* Use vars for button padding
* Add button-inner-label style
* Add input-button button
* Update display of scope selection
* Add hidden argument text input field
* Remove unnecessary calls
* Display a strike through the enabled button when no scopes are selected
* Expose modifier keys
* Add updateMenuItems
* Don't close menu if shift key is held
* Add _createMenuItems
* Simplification
* Maintain a list of open popup menus
* Expose expression/reading
* Reuse existing items
* Update menu after a cache update
* Update menu position
* Move bg/js/anki.js to js/comm/anki.js
* Move bg/js/mecab.js to js/comm/mecab.js
* Move bg/js/search-main.js to js/display/search-main.js
* Move bg/js/template-patcher.js to js/templates/template-patcher.js
* Move bg/js/template-renderer-frame-api.js to js/templates/template-renderer-frame-api.js
* Move bg/js/template-renderer-frame-main.js to js/templates/template-renderer-frame-main.js
* Move bg/js/template-renderer-proxy.js to js/templates/template-renderer-proxy.js
* Move bg/js/template-renderer.js to js/templates/template-renderer.js
* Move bg/js/media-utility.js to js/media/media-utility.js
* Move bg/js/native-simple-dom-parser.js to js/dom/native-simple-dom-parser.js
* Move bg/js/simple-dom-parser.js to js/dom/simple-dom-parser.js
* Move bg/js/audio-downloader.js to js/media/audio-downloader.js
* Move bg/js/deinflector.js to js/language/deinflector.js
* Move bg/js/backend.js to js/background/backend.js
* Move bg/js/translator.js to js/language/translator.js
* Move bg/js/search-display-controller.js to js/display/search-display-controller.js
* Move bg/js/request-builder.js to js/background/request-builder.js
* Move bg/js/text-source-map.js to js/general/text-source-map.js
* Move bg/js/clipboard-reader.js to js/comm/clipboard-reader.js
* Move bg/js/clipboard-monitor.js to js/comm/clipboard-monitor.js
* Move bg/js/query-parser.js to js/display/query-parser.js
* Move bg/js/profile-conditions.js to js/background/profile-conditions.js
* Move bg/js/dictionary-database.js to js/language/dictionary-database.js
* Move bg/js/dictionary-importer.js to js/language/dictionary-importer.js
* Move bg/js/anki-note-builder.js to js/data/anki-note-builder.js
* Move bg/js/anki-note-data.js to js/data/anki-note-data.js
* Move bg/js/database.js to js/data/database.js
* Move bg/js/json-schema.js to js/data/json-schema.js
* Move bg/js/options.js to js/data/options-util.js
* Move bg/js/background-main.js to js/background/background-main.js
* Move bg/js/permissions-util.js to js/data/permissions-util.js
* Move bg/js/context-main.js to js/pages/action-popup-main.js
* Move bg/js/generic-page-main.js to js/pages/generic-page-main.js
* Move bg/js/info-main.js to js/pages/info-main.js
* Move bg/js/permissions-main.js to js/pages/permissions-main.js
* Move bg/js/welcome-main.js to js/pages/welcome-main.js
* Move fg/js/frame-ancestry-handler.js to js/comm/frame-ancestry-handler.js
* Move fg/js/frame-offset-forwarder.js to js/comm/frame-offset-forwarder.js
* Move fg/js/dom-text-scanner.js to js/dom/dom-text-scanner.js
* Move fg/js/text-source-element.js to js/dom/text-source-element.js
* Move fg/js/text-source-range.js to js/dom/text-source-range.js
* Move fg/js/float-main.js to js/display/popup-main.js
* Move fg/js/content-script-main.js to js/app/content-script-main.js
* Move fg/js/frontend.js to js/app/frontend.js
* Move fg/js/popup-factory.js to js/app/popup-factory.js
* Move fg/js/popup-proxy.js to js/app/popup-proxy.js
* Move fg/js/popup-window.js to js/app/popup-window.js
* Move fg/js/popup.js to js/app/popup.js
* Move mixed/js/core.js to js/core.js
* Move mixed/js/yomichan.js to js/yomichan.js
* Move mixed/js/timer.js to js/debug/timer.js
* Move mixed/js/hotkey-handler.js to js/input/hotkey-handler.js
* Move mixed/js/hotkey-help-controller.js to js/input/hotkey-help-controller.js
* Move mixed/js/hotkey-util.js to js/input/hotkey-util.js
* Move mixed/js/audio-system.js to js/input/audio-system.js
* Move mixed/js/media-loader.js to js/input/media-loader.js
* Move mixed/js/text-to-speech-audio.js to js/input/text-to-speech-audio.js
* Move mixed/js/comm.js to js/comm/cross-frame-api.js
* Move mixed/js/api.js to js/comm/api.js
* Move mixed/js/frame-client.js to js/comm/frame-client.js
* Move mixed/js/frame-endpoint.js to js/comm/frame-endpoint.js
* Move mixed/js/display.js to js/display/display.js
* Move mixed/js/display-audio.js to js/display/display-audio.js
* Move mixed/js/display-generator.js to js/display/display-generator.js
* Move mixed/js/display-history.js to js/display/display-history.js
* Move mixed/js/display-notification.js to js/display/display-notification.js
* Move mixed/js/display-profile-selection.js to js/display/display-profile-selection.js
* Move mixed/js/japanese.js to js/language/japanese-util.js
* Move mixed/js/dictionary-data-util.js to js/language/dictionary-data-util.js
* Move mixed/js/document-focus-controller.js to js/dom/document-focus-controller.js
* Move mixed/js/document-util.js to js/dom/document-util.js
* Move mixed/js/dom-data-binder.js to js/dom/dom-data-binder.js
* Move mixed/js/html-template-collection.js to js/dom/html-template-collection.js
* Move mixed/js/panel-element.js to js/dom/panel-element.js
* Move mixed/js/popup-menu.js to js/dom/popup-menu.js
* Move mixed/js/selector-observer.js to js/dom/selector-observer.js
* Move mixed/js/scroll.js to js/dom/window-scroll.js
* Move mixed/js/text-scanner.js to js/language/text-scanner.js
* Move mixed/js/cache-map.js to js/general/cache-map.js
* Move mixed/js/object-property-accessor.js to js/general/object-property-accessor.js
* Move mixed/js/task-accumulator.js to js/general/task-accumulator.js
* Move mixed/js/environment.js to js/background/environment.js
* Move mixed/js/dynamic-loader.js to js/scripting/dynamic-loader.js
* Move mixed/js/dynamic-loader-sentinel.js to js/scripting/dynamic-loader-sentinel.js
