Add myself to OWNERS for password manager stuff.

TBR=jochen@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/615003002

Cr-Commit-Position: refs/heads/master@{#297424}

chrome/browser/password_manager/OWNERS

@@ -3,6 +3,7 @@ dubroy@chromium.org
 gcasto@chromium.org
 isherman@chromium.org
 mdm@chromium.org
+mkwst@chromium.org
 stuartmorgan@chromium.org
 tim@chromium.org
 vabr@chromium.org

chrome/browser/resources/password_manager_internals/OWNERS

 dubroy@chromium.org
+mkwst@chromium.org
 vabr@chromium.org

chrome/browser/ui/webui/password_manager_internals/OWNERS

 dubroy@chromium.org
+mkwst@chromium.org
 vabr@chromium.org

components/OWNERS

@@ -125,6 +125,7 @@ per-file password_manager*=dubroy@chromium.org
 per-file password_manager*=gcasto@chromium.org
 per-file password_manager*=isherman@chromium.org
 per-file password_manager*=mdm@chromium.org
+per-file password_manager*=mkwst@chromium.org
 per-file password_manager*=stuartmorgan@chromium.org
 per-file password_manager*=tim@chromium.org
 per-file password_manager*=vabr@chromium.org

components/password_manager/OWNERS

@@ -3,6 +3,7 @@ dubroy@chromium.org
 gcasto@chromium.org
 isherman@chromium.org
 mdm@chromium.org
+mkwst@chromium.org
 stuartmorgan@chromium.org
 tim@chromium.org
 vabr@chromium.org

components/test/data/password_manager/OWNERS

 dubroy@chromium.org
 gcasto@chromium.org
+mkwst@chromium.org
 vabr@chromium.org