Delete RenderPassSink

Delete RenderPassSink because it is only used by FrameData.
AppendRenderPasses only create one RenderPass, so rename to CreateRenderPass.

BUG=None
CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel

Review-Url: https://codereview.chromium.org/2742743003
Cr-Commit-Position: refs/heads/master@{#457109}
7 files changed