Update useful_urls.md links to HTTPS.

docs/useful_urls.md

Index: docs/useful_urls.md
diff --git a/docs/useful_urls.md b/docs/useful_urls.md
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--- a/docs/useful_urls.md
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@@ -10,19 +10,19 @@ This page aims to be a repository of useful links that people may find useful.
 * [List of the last 100 potential LKGRs](http://chromium-status.appspot.com/revisions)
 * [Status dashboard for LKGR](https://build.chromium.org/p/chromium/lkgr-status/)
 * https://build.chromium.org/p/tryserver.chromium/waterfall?committer=developer@chromium.org : Try bot runs, by developer
-* [Tree uptime stats](http://chromium-status.appspot.com/status_viewer)
-* [Commit queue status](http://chromium-cq-status.appspot.com)
+* [Tree uptime stats](https://chromium-status.appspot.com/status_viewer)
+* [Commit queue status](https://chromium-cq-status.appspot.com)
 * [Pending commit queue jobs](https://codereview.chromium.org/search?closed=3&commit=2&limit=50)
-* [Search for historical test failures by test name](http://chromium-build-logs.appspot.com/)
-* [Filterable list of most recent build logs](http://chromium-build-logs.appspot.com/list)
+* [Search for historical test failures by test name](https://chromium-build-logs.appspot.com/)
+* [Filterable list of most recent build logs](https://chromium-build-logs.appspot.com/list)
 
 ## For Sheriffs
 
 * https://build.chromium.org/p/chromium.chromiumos/waterfall?show_events=true&reload=120&failures_only=true : List of failing bots for a waterfall(chromium.chromiumos as an example)
 * https://build.chromium.org/p/chromium.linux/waterfall?show_events=true&reload=120&builder=Linux%20Builder%20x64&builder=Linux%20Builder%20(dbg) : Monitor one or multiple bots(Linux Builder x64 and Linux Builder (dbg) on chromium.linux as an example)
 * https://build.chromium.org/p/chromium.win/waterfall/help : Customize the waterfall view for a waterfall(using chromium.win as an example)
-* [Alternate waterfall view that helps with test failure triage](http://chromium-sheriffing.appspot.com)
-* [Lists historical test results for the bots](http://test-results.appspot.com/dashboards/flakiness_dashboard.html)
+* [Alternate waterfall view that helps with test failure triage](https://chromium-sheriffing.appspot.com)
+* [Lists historical test results for the bots](https://test-results.appspot.com/dashboards/flakiness_dashboard.html)
 
 ## Release Information