Roll chromium_revision 4015f271f9..df5e64aa56 (440829:440833)

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index 32b4c56ecea9e05fd6cec9c256fbc1b09d59e5a7..e70c180a06e228f4d7c63e810c5d6485a5de4852 100644
--- a/DEPS
+++ b/DEPS
@@ -2,7 +2,7 @@
 
 vars = {
   'chromium_git': 'https://chromium.googlesource.com',
-  'chromium_revision': '4015f271f96b29f2f2a1a95b333056108d43dd93',
+  'chromium_revision': 'df5e64aa56446d6f0de0f7956358b49c066422ec',
   'boringssl_git': 'https://boringssl.googlesource.com',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling swarming_client
@@ -50,7 +50,7 @@ deps = {
   'src/testing/gmock':
     Var('chromium_git') + '/external/googlemock.git' + '@' + '0421b6f358139f02e102c9c332ce19a33faf75be', # from svn revision 566
   'src/third_party':
-    Var('chromium_git') + '/chromium/src/third_party' + '@' + 'f9558771da0b08b4480de4c06904099930a155ec',
+    Var('chromium_git') + '/chromium/src/third_party' + '@' + '8dd265ee8e02c229d08c9036706beb1137ebed28',
   'src/third_party/boringssl/src':
    Var('boringssl_git') + '/boringssl.git' + '@' +  Var('boringssl_revision'),
   'src/third_party/catapult':