Add basic Paint event support

See Bug 386833 - [Clientscripting] Support Paint event on Canvas 
15 files changed
tree: 755e8b696d063564899e56ea42a7cc7ecc69e0e7
  1. bundles/
  2. features/
  3. releng/
  4. tests/
  5. .gitignore
  6. component.xml