Bug 212461 does not depend on any bugs.

Bug 212461 blocks 10 bugs:

•    212461: AutoTrader crashed while browsing search results [RESOLVED FIXED; assigned to dino]
  •    214660: markContextChangedAndNotifyCanvasObserver and markContextChanged over-notify [NEW; assigned to webkit-unassigned]
  •    210153: Crash in StoreKitUIService: WebCore: gl::FramebufferManager::getFramebuffer const [RESOLVED DUPLICATE; assigned to dino]
  •    212271: [ANGLE - iOS] fast/canvas/webgl/webgl-depth-texture.html is failing [RESOLVED FIXED; assigned to kbr]
    •    207858: Changed results due to ANGLE use [NEW; assigned to dino]
      •    126404: WebGL 2 support [NEW; assigned to dino]
    •    212251: REGRESSION (r256784): Unity TinyRacing demo shows black screen [RESOLVED FIXED; assigned to dino]
    •    212284: Remove failure expectation for webgl/1.0.3/conformance/extensions/webgl-depth-texture.html on iOS [RESOLVED FIXED; assigned to kbr]
  •    212647: REGRESSION (r262366): [ Mac wk1 ] webgl/webgl-backing-store-size-update.html is failing [RESOLVED FIXED; assigned to dino]
  •    218177: REGRESSION (r268386): Flashes of inverted color when zooming the map on windy.com [RESOLVED FIXED; assigned to kkinnunen]
    •    218282: rendering to an offscreen framebuffer alterates canvas display [RESOLVED DUPLICATE; assigned to kkinnunen]