Roll base to 3ed5621c3408ce7109597b81faa0c27f1085a2cb.

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index d9d494a8feb225c3bc1ecc81f17985bc093899ba..d160d42d6774f3c29cb43f4e3662d0124186c0a9 100644
--- a/DEPS
+++ b/DEPS
@@ -19,10 +19,11 @@
 
 vars = {
   'chromium_git': 'https://chromium.googlesource.com',
-  'base_revision': '5e00da80f6adb7082d1c0e88d3274cf87cc43bc5',
+  'base_revision': '3ed5621c3408ce7109597b81faa0c27f1085a2cb',
   'boringssl_revision': '2deb984187ce8f6c739c780e7fe95e859e93b3da',
   'buildtools_revision': '222bd42ce39d1bd8f08fe089b066f49c469e1cdf',
   'gurl_revision': '718eee97ed6a4df41d14726eb2eddc871d9eaaa3',
+  'lss_revision': '6f97298fe3794e92c8c896a6bc06e0b36e4c3de3',
   'mojo_devtools_revision': 'd498890dc825363948a5852a2328b8ef937f5af4',
   'mojo_sdk_revision': '8471cd1e603aafb17350b24df8f21f3cb2fee2c9',
 }
@@ -53,23 +54,26 @@ deps = {
   'src/third_party/boringssl/src':
     'https://boringssl.googlesource.com/boringssl.git' + '@' + Var('boringssl_revision'),
 
+  'src/third_party/icu':
+    Var('chromium_git') + '/chromium/deps/icu.git' + '@' + '94e4b770ce2f6065d4261d29c32683a6099b9d93',
+
   'src/third_party/requests/src':
     Var('chromium_git') + '/external/github.com/kennethreitz/requests.git' + '@' + 'f172b30356d821d180fa4ecfa3e71c7274a32de4',
 
-  'src/third_party/icu':
-    Var('chromium_git') + '/chromium/deps/icu.git' + '@' + '94e4b770ce2f6065d4261d29c32683a6099b9d93',
+  'src/third_party/lss':
+    Var('chromium_git') + '/external/linux-syscall-support/lss.git' + '@' + Var('lss_revision'),
 
   'src/third_party/mojo/src/mojo/public':
     Var('chromium_git') + '/external/github.com/domokit/mojo_sdk.git' + '@' + Var('mojo_sdk_revision'),
 
-  'src/tools/grit':
-    Var('chromium_git') + '/external/grit-i18n.git' + '@' + 'c1b1591a05209c1ad467e845ba8543c22f9072af', # from svn revision 189
+  'src/third_party/mojo_devtools':
+    'https://github.com/domokit/devtools.git' + '@' + Var('mojo_devtools_revision'),
 
   'src/third_party/pyelftools':
     Var('chromium_git') + '/chromiumos/third_party/pyelftools.git' + '@' + '19b3e610c86fcadb837d252c794cb5e8008826ae',
 
-  'src/third_party/mojo_devtools':
-    'https://github.com/domokit/devtools.git' + '@' + Var('mojo_devtools_revision'),
+  'src/tools/grit':
+    Var('chromium_git') + '/external/grit-i18n.git' + '@' + 'c1b1591a05209c1ad467e845ba8543c22f9072af', # from svn revision 189
 
   'src/url':
     Var('chromium_git') + '/external/github.com/domokit/gurl' + '@' + Var('gurl_revision'),