Update Chromium

Pulls in the security fix from Chrome 54.0.2840.87

Change-Id: I70064927cba01b7978742951ba0636b780d9eb68
Reviewed-by: Michael Brüning <[email protected]>
Reviewed-by: Joerg Bornemann <[email protected]>

Author: Allan Sandfeld Jensen

dist/changes-5.7.1

@@ -26,11 +26,11 @@ information about a particular change.
 ****************************************************************************
 
  - Chromium Snapshot:
-   * Security fixes from Chromium up to version 54.0.2840.59
+   * Security fixes from Chromium up to version 54.0.2840.87
     Including: CVE-2016-5133, CVE-2016-5147, CVE-2016-5153, CVE-2016-5155,
       CVE-2016-5161, CVE-2016-5166, CVE-2016-5170, CVE-2016-5171,
       CVE-2016-5172, CVE-2016-5181, CVE-2016-5185, CVE-2016-5186,
-      CVE-2016-5187, CVE-2016-5188, CVE-2016-5192
+      CVE-2016-5187, CVE-2016-5188, CVE-2016-5192, CVE-2016-5198
    * Support for macOS 10.12 Sierra
    * Various backported crash and assert fixes