Bug 201748 does not depend on any bugs.

Bug 201748 blocks 5 bugs:

•    201748: [GTK] Remove GraphicsContext3D dependency from the outside of WebGL [RESOLVED FIXED; assigned to changseok]
  •    199060: [GTK] Add ANGLE backend to GTK port [RESOLVED FIXED; assigned to changseok]
    •    198948: Meta: use ANGLE as the backend for WebKit's WebGL implementation [NEW; assigned to webkit-unassigned]
      •    126404: WebGL 2 support [NEW; assigned to dino]
      •    208188: [WPE] Many WebGL 2.0.0 conformance tests fail [RESOLVED FIXED; assigned to webkit-unassigned]
    •    202508: [GTK] WebGL backed by ANGLE flickers when USE_OPENGL_ES is enabled. [RESOLVED FIXED; assigned to changseok]