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Currently when only swapchain size changes, we attempt to resize the
buffers of current swapchain to avoid creating a new swapchain.
But this can lead to video glitches on Intel platforms.

Bug: 1116542
Change-Id: I1627d97da69928304cbb7b89e5691ff0683cffd0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2394957Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Commit-Queue: Jie A Chen <jie.a.chen@intel.com>
Cr-Commit-Position: refs/heads/master@{#805238}