Readd myself (dbeam@) to owners files

I stopped working on Chrome for 1.5y and didn't check my @chromium.org
email too often. I want to speed folks up that need help reviewing.

This is essentially revert of crrev.com/7a2607b8 (but we've removed a lot
of old code so I couldn't apply revert cleanly!).

R=dpapad@chromium.org
TBR=michaelpg@chromium.org
CC=​​groby@chromium.org
BUG=leaving chrome

Cq-Include-Trybots: luci.chromium.try:closure_compilation
Change-Id: Ia6ecf786537fe11ac4808b2a38fe5494cb0d1365
Reviewed-on: https://chromium-review.googlesource.com/c/1309321Reviewed-by: Michael Giuffrida <michaelpg@chromium.org>
Reviewed-by: Devlin <rdevlin.cronin@chromium.org>
Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Commit-Queue: Dan Beam <dbeam@chromium.org>
Cr-Commit-Position: refs/heads/master@{#611360}

chrome/browser/extensions/api/settings_private/OWNERS

+dbeam@chromium.org
 michaelpg@chromium.org
 stevenjb@chromium.org
 

chrome/browser/resources/md_downloads/OWNERS

+dbeam@chromium.org
+
 # COMPONENT: UI>Browser>Downloads

chrome/browser/resources/md_history/OWNERS

 calamity@chromium.org
+dbeam@chromium.org
 
 # COMPONENT: UI>Browser>History

chrome/browser/resources/ntp4/OWNERS

+dbeam@chromium.org
 estade@chromium.org
 rbyers@chromium.org
 

chrome/browser/resources/settings/OWNERS

+dbeam@chromium.org
 dpapad@chromium.org
 dschuyler@chromium.org
 hcarmona@chromium.org

chrome/browser/ui/webui/md_downloads/OWNERS

 asanka@chromium.org
+dbeam@chromium.org
 
 # COMPONENT: UI>Browser>Downloads

chrome/browser/ui/webui/ntp/OWNERS

+dbeam@chromium.org
 estade@chromium.org
 
 # TEAM: ntp-dev@chromium.org

content/browser/webui/OWNERS

+dbeam@chromium.org
 dpapad@chromium.org
 groby@chromium.org
 tommycli@chromium.org

styleguide/web/OWNERS

 # Interested in helping maintain this? Let us know!
+dbeam@chromium.org
 dpapad@chromium.org
 michaelpg@chromium.org

third_party/chaijs/OWNERS

+dbeam@chromium.org
 dpapad@chromium.org

third_party/closure_compiler/OWNERS

 calamity@chromium.org
+dbeam@chromium.org
 dpapad@chromium.org
 fukino@chromium.org

third_party/node/OWNERS

+dbeam@chromium.org
 dpapad@chromium.org
 scottchen@chromium.org

third_party/polymer/OWNERS

+dbeam@chromium.org
 dpapad@chromium.org
 michaelpg@chromium.org
 scottchen@chromium.org

third_party/web-animations-js/OWNERS

+dbeam@chromium.org
 dpapad@chromium.org
 michaelpg@chromium.org

tools/polymer/OWNERS

+dbeam@chromium.org
 dpapad@chromium.org
 jklein@chromium.org
 michaelpg@chromium.org

tools/web_dev_style/OWNERS

+dbeam@chromium.org
 dpapad@chromium.org

ui/webui/PLATFORM_OWNERS

 # Please use more specific OWNERS when possible.
 calamity@chromium.org
+dbeam@chromium.org
 dpapad@chromium.org
 dschuyler@chromium.org
 michaelpg@chromium.org