Record Chromium merge at DEPS revision 278856

This commit was generated by merge_to_master.py.

Change-Id: Ie1194b85b7623586fb60c833079804a980ac4fe9

.merged-revisions

diff --git a/.merged-revisions b/.merged-revisions
index 8f6d923..55ba079 100644
--- a/.merged-revisions
+++ b/.merged-revisions
@@ -47,3 +47,4 @@
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