SkiaDawn: Add onBindPipeline()

Fix a compilation error in SkiaDawn by adding an onBindPipeline()
implementation and renaming onDraw() to onDrawMeshes(). onBindPipeline()
does nothing because onDraw() previously did not use the drawBounds
parameter.

Change-Id: Icf3d49296359bfdee8936cc63d6b5d33b597fb4a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/272511
Commit-Queue: Stephen White <senorblanco@chromium.org>
Reviewed-by: Stephen White <senorblanco@chromium.org>
2 files changed