Roll libyuv deps.

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 205 matching lines @@
   'src/third_party/webrtc':
     Var('chromium_git') + '/external/webrtc/trunk/webrtc.git' + '@' + '76c15a85f7db4b3ca10f1b65b42c6bf80ab3382b', # commit position 13483
 
   'src/third_party/openmax_dl':
     Var('chromium_git') + '/external/webrtc/deps/third_party/openmax.git' + '@' +  Var('openmax_dl_revision'),
 
   'src/third_party/jsoncpp/source':
     Var('chromium_git') + '/external/github.com/open-source-parsers/jsoncpp.git' + '@' + 'f572e8e42e22cfcf5ab0aea26574f408943edfa4', # from svn 248
 
   'src/third_party/libyuv':
-    Var('chromium_git') + '/libyuv/libyuv.git' + '@' + 'e74086bfe3165ddc8616c3ceb5d2dc50c4db1d82',
+    Var('chromium_git') + '/libyuv/libyuv.git' + '@' + 'e84dcb43bd82d332d1a5d46d88dcf649d2da4519',
 
   'src/third_party/smhasher/src':
     Var('chromium_git') + '/external/smhasher.git' + '@' + 'e87738e57558e0ec472b2fc3a643b838e5b6e88f',
 
   'src/third_party/libaddressinput/src':
     Var('chromium_git') + '/external/libaddressinput.git' + '@' + '5eeeb797e79fa01503fcdcbebdc50036fac023ef',
 
   'src/third_party/libphonenumber/dist':
     Var('chromium_git') + '/external/libphonenumber.git' + '@' + 'a4da30df63a097d67e3c429ead6790ad91d36cf4',
 
@@ skipping 717 matching lines @@
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     'name': 'gyp',
     'pattern': '.',
     'action': ['python', 'src/build/gyp_chromium', '--running-as-hook'],
   },
 ]
 
 # ANGLE manages DEPS that it also owns the build files for, such as dEQP.
 recursedeps = [("src/third_party/angle", "DEPS.chromium")]