Roll chromium_revision 271c6cc..3dd2edf (309333:310717)

Relevant changes:
* src/buildtools: 23a4e2f..451dcd0
* src/third_party/boringssl/src: 306e520..aac2f6a
* src/third_party/openmax_dl: 0164270..1a4171c
* src/tools/gyp: fe00999..82b0804
* src/tools/swarming_client: 119b084..c44f572
Details: https://chromium.googlesource.com/chromium/src/+/271c6cc..3dd2edf/DEPS

Clang version was not updated in this roll.

R=pbos@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/34709004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@8047 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/DEPS b/DEPS
index 651603f..9413068 100644
--- a/DEPS
+++ b/DEPS
@@ -6,7 +6,7 @@
 vars = {
   'extra_gyp_flag': '-Dextra_gyp_flag=0',
   'chromium_git': 'https://chromium.googlesource.com',
-  'chromium_revision': '271c6cca48a6cef32c0f3add3b17b700707deec5',
+  'chromium_revision': '3dd2edf4a117d03d2ec45bb3dcf205cb7561a7e1',
 }
 
 # NOTE: Prefer revision numbers to tags for svn deps. Use http rather than