Record Chromium merge at DEPS revision 39.0.2171.59

This commit was generated by merge_to_master.py.

Change-Id: Ib4d8c15b2bab9b998eefa177c558951fc4e72e17
diff --git a/.merged-revisions b/.merged-revisions
index 098d9d5..a3017cc 100644
--- a/.merged-revisions
+++ b/.merged-revisions
@@ -56,3 +56,4 @@
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