cc: Change the texture quad cache to fit nine quads
cc: Change the texture quad cache to fit nine quads

Previously a nine patch layer would require two draw calls.  Now it will
fit in one.  Tested by the TextureQuadBatching pixel test.

R=weiliangc@chromium.org
BUG=534819
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Review URL: https://codereview.chromium.org/1413683004

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#355665}

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