Record Chromium merge at DEPS revision 38.0.2125.74

This commit was generated by merge_to_master.py.

Change-Id: I43a2a2c401e14589944d773ea52881f707ba288b
diff --git a/.merged-revisions b/.merged-revisions
index 227b5fa..85e6b5c 100644
--- a/.merged-revisions
+++ b/.merged-revisions
@@ -52,3 +52,4 @@
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