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This removes its use of the ClientSharedBitmapManager in the renderer
process, freeing up one use toward removing it. This also means the
Display in the SynchronousLayerTreeFrameSink will not allocate shared
memory for RenderPass resources, as the ServerSharedBitmapManager will
use normal memory allocations.

R=boliu@chromium.org

Bug: 730660
Change-Id: Ibb05a8f1787a221351232907704412c5b682e85f
Reviewed-on: https://chromium-review.googlesource.com/826182Reviewed-by: Bo <boliu@chromium.org>
Reviewed-by: Antoine Labour <piman@chromium.org>
Commit-Queue: danakj <danakj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#524202}