Cherry pick "Restrict vp9 frame sizes"

Cherry pick "Restrict vp9 frame sizes"

In master since 2386:
https://codereview.chromium.org/1106303002

Restrict vp9 frame sizes to 16384x16384

This is the same as the bitstream restriction for vp8.

Helps to ignore obviously corrupt input frames.

BUG=450939
Committed: https://chromium.googlesource.com/chromium/deps/libvpx/+/e0e99d9465ba716b0fbbcc3e1ab5d6e5e7169f44

[wwcv, 2015-05-04 16:59:13]

johannkoenig@chromium.org changed reviewers:
+ johannkoenig@chromium.org

[wwcv, 2015-05-04 16:59:14]

https://codereview.chromium.org/1124723002/diff/1/generate_gypi.sh
File generate_gypi.sh (right):

https://codereview.chromium.org/1124723002/diff/1/generate_gypi.sh#newcode395
generate_gypi.sh:395: all_platforms="--enable-external-build --enable-postproc
--disable-install-srcs --enable-multi-res-encoding --enable-temporal-denoising
--disable-unit-tests --disable-install-docs --disable-examples
--enable-vp9-temporal-denoising --enable-vp9-postproc --size-limit=16384x16384"
this is the critical line: it adds --size-limit to the configure. All the other
changed files are auto-generated from this script.

[Johann, 2015-05-04 16:59:26]

Committed patchset #1 (id:1) manually as
e0e99d9465ba716b0fbbcc3e1ab5d6e5e7169f44 (presubmit successful).