Roll chromium_revision 222a3fe7a7..6557cd40de (448367:453708)

Change log: https://chromium.googlesource.com/chromium/src/+log/222a3fe7a7..6557cd40de
Full diff: https://chromium.googlesource.com/chromium/src/+/222a3fe7a7..6557cd40de

Changed dependencies:
* libyuv/base: https://chromium.googlesource.com/chromium/src/base/+log/b9d4d9b0e5..12a9434f99
* libyuv/build: https://chromium.googlesource.com/chromium/src/build/+log/47e07d6798..b49954da30
* libyuv/buildtools: https://chromium.googlesource.com/chromium/buildtools.git/+log/a7cc7a3e21..b3771b1935
* libyuv/ios: https://chromium.googlesource.com/chromium/src/ios/+log/291daef6af..c2fcb0a613
* libyuv/testing: https://chromium.googlesource.com/chromium/src/testing/+log/178a302b13..632f9abe3f
* libyuv/testing/gtest: https://chromium.googlesource.com/external/github.com/google/googletest.git/+log/6f8a66431c..aa148eb2b7
* libyuv/third_party: https://chromium.googlesource.com/chromium/src/third_party/+log/4f196478f6..e95cda5573
* libyuv/third_party/android_tools: https://chromium.googlesource.com/android_tools.git/+log/b43a6a289a..e429db7f48
* libyuv/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult.git/+log/4ee31ea3b4..e8af4a7e11
* libyuv/third_party/colorama/src: https://chromium.googlesource.com/external/colorama.git/+log/799604a104..ec81728111
* libyuv/third_party/gflags/src: https://chromium.googlesource.com/external/github.com/gflags/gflags/+log/03bebcb065..30dbc81fb5
* libyuv/third_party/gtest-parallel: https://chromium.googlesource.com/external/webrtc/deps/third_party/gtest-parallel/+log/8768563f5c..1dad0e9f6d
* libyuv/third_party/icu: https://chromium.googlesource.com/chromium/deps/icu.git/+log/9cd2828740..450be73c9e
* libyuv/third_party/junit/src: https://chromium.googlesource.com/external/junit.git/+log/64155f8a9b..9e98a85ecf
* libyuv/third_party/lss: https://chromium.googlesource.com/linux-syscall-support.git/+log/3f6478ac95..5cedb6bf4e
* libyuv/third_party/mockito/src: https://chromium.googlesource.com/external/mockito/mockito.git/+log/de83ad4598..fb5738f071
* libyuv/third_party/requests/src: https://chromium.googlesource.com/external/github.com/kennethreitz/requests.git/+log/f172b30356..2aaf6ac038
* libyuv/third_party/robolectric/robolectric: https://chromium.googlesource.com/external/robolectric.git/+log/e38b49a12f..6987796da8
* libyuv/tools: https://chromium.googlesource.com/chromium/src/tools/+log/54fd165044..254878a411
* libyuv/tools/gyp: https://chromium.googlesource.com/external/gyp.git/+log/e7079f0e0e..a7055b3989
* libyuv/tools/swarming_client: https://chromium.googlesource.com/external/swarming.client.git/+log/ebc8dab6f8..460def717a
DEPS diff: https://chromium.googlesource.com/chromium/src/+/222a3fe7a7..6557cd40de/DEPS

Clang version changed 289944:296320
Details: https://chromium.googlesource.com/chromium/src/+/222a3fe7a7..6557cd40de/tools/clang/scripts/update.py

TBR=
BUG=None

Change-Id: I484df7dff41046121566b6d95175f911d4aa6e46
Reviewed-on: https://chromium-review.googlesource.com/447903Reviewed-by: Henrik Kjellander <kjellander@chromium.org>
Commit-Queue: Henrik Kjellander <kjellander@chromium.org>

DEPS

@@ -3,7 +3,7 @@ vars = {
   # folder name.
   'root_dir': 'libyuv',
   'chromium_git': 'https://chromium.googlesource.com',
-  'chromium_revision': '222a3fe7a738486a887bb53cffb8e3b52376f609',
+  'chromium_revision': '6557cd40deb894148068183e4489ca264043d214',
   'swarming_revision': 'ebc8dab6f8b8d79ec221c94de39a921145abd404',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling lss