Roll src/third_party/webrtc 7008287219b6..b3e2c8eb1b16 (3 commits)

https://webrtc.googlesource.com/src.git/+log/7008287219b6..b3e2c8eb1b16


git log 7008287219b6..b3e2c8eb1b16 --date=short --no-merges --format='%ad %ae %s'
2018-08-07 buildbot@webrtc.org Roll chromium_revision 39d45f08..474eca05 (580730:581204)
2018-08-07 srte@webrtc.org Makes units constexpr when possible.
2018-08-07 titovartem@webrtc.org Move spl_sqrt_floor dep to proper third_party directory


Created with:
  gclient setdep -r src/third_party/webrtc@b3e2c8eb1b16

The AutoRoll server is located here: https://webrtc-chromium-roll.skia.org

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

CQ_INCLUDE_TRYBOTS=luci.chromium.try:linux_chromium_archive_rel_ng;master.tryserver.chromium.mac:mac_chromium_archive_rel_ng

BUG=chromium:None
TBR=webrtc-chromium-sheriffs-robots@google.com

Change-Id: Id7e6656b8df57fe0f234221bd46e94f229afc40f
Reviewed-on: https://chromium-review.googlesource.com/1165325Reviewed-by: webrtc-chromium-autoroll <webrtc-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: webrtc-chromium-autoroll <webrtc-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#581280}

DEPS

@@ -1047,7 +1047,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + '21dbf06b5aa6c7dc8cf56314d4a3f96f57956c53',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '7008287219b6bc45465c409323bda75f4788a711',
+    Var('webrtc_git') + '/src.git' + '@' + 'b3e2c8eb1b16f9a804c6525bac1056200f09d8da',
 
   'src/third_party/xdg-utils': {
       'url': Var('chromium_git') + '/chromium/deps/xdg-utils.git' + '@' + 'd80274d5869b17b8c9067a1022e4416ee7ed5e0d',