OSR Testing h1 - Focus and blur Default this page and will get this red black

1. OnPaint should be called each time a page loads
2. Move mouse to require an OnCursorChange call
3. Hover will color this with red. Will trigger OnPaint once on enter and once on leave
4. Right clicking will show contextual menu and will request GetScreenPoint
5. IsWindowRenderingDisabled should be true
6. WasResized should trigger full repaint if size changes.
7. Invalidate should trigger OnPaint once
8. Click and write here with SendKeyEvent to trigger repaints:
9. Click here with SendMouseClickEvent to navigate:
10. Mouse over this element will trigger show a tooltip
11. SELECTED_TEXT_RANGE