Roll src/third_party/libvpx_new/source/libvpx/ c0307e6ce..d6996849f (23 commits).

DEPS

 # This file is used to manage the dependencies of the Chromium src repo. It is
 # used by gclient to determine what version of each dependency to check out, and
 # where.
 #
 # For more information, please refer to the official documentation:
 #   https://sites.google.com/a/chromium.org/dev/developers/how-tos/get-the-code
 #
 # When adding a new dependency, please update the top-level .gitignore file
 # to list the dependency's destination directory.
 #
@@ skipping 163 matching lines @@
   'src/third_party/bidichecker':
     Var('chromium_git') + '/external/bidichecker/lib.git' + '@' + '97f2aa645b74c28c57eca56992235c79850fa9e0',
 
   'src/third_party/webgl/src':
    Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + '29258490ea902efba0cd3ef8200299b5c31d5d26',
 
   'src/third_party/webdriver/pylib':
     Var('chromium_git') + '/external/selenium/py.git' + '@' + '5fd78261a75fe08d27ca4835fb6c5ce4b42275bd',
 
   'src/third_party/libvpx_new/source/libvpx':
-   Var('chromium_git') + '/webm/libvpx.git' + '@' +  'c0307e6cea0fcd79577eaa107f76b07acaf1d4e6',
+   Var('chromium_git') + '/webm/libvpx.git' + '@' +  'd6996849f0c65b97c40318647c3e7dc2db332861',
 
   'src/third_party/ffmpeg':
    Var('chromium_git') + '/chromium/third_party/ffmpeg.git' + '@' + '2ab535183e2fca15d37be86bf0edf5aa8c6767cf',
 
   'src/third_party/libjingle/source/talk':
     Var('chromium_git') + '/external/webrtc/trunk/talk.git' + '@' + 'b62ca7e76805b8d87795c73fcdd5dd1457c14461', # commit position 11358
 
   'src/third_party/usrsctp/usrsctplib':
     Var('chromium_git') + '/external/github.com/sctplab/usrsctp' + '@' + 'c60ec8b35c3fe6027d7a3faae89d1c8d7dd3ce98',
 
@@ skipping 618 matching lines @@
         'src/tools',
     ],
   },
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     'name': 'gyp',
     'pattern': '.',
     'action': ['python', 'src/build/gyp_chromium'],
   },
 ]