Add bmcquade and csharrison to page_load_metrics watchlist

BUG=

Review URL: https://codereview.chromium.org/1411243002

Cr-Commit-Position: refs/heads/master@{#354768}
diff --git a/WATCHLISTS b/WATCHLISTS
index 385b1f94..b88bf1f 100644
--- a/WATCHLISTS
+++ b/WATCHLISTS
@@ -586,6 +586,9 @@
         'ui/gl/gl_.*egl.*|'\
         'ui/gl/gl_.*ozone.*'
     },
+    'page_load_metrics' : {
+      'filepath': 'components/page_load_metrics/'
+    },
     'panels': {
       'filepath': 'chrome/browser/ui/panels'\
                   '|chrome/browser/ui/cocoa/panels'\
@@ -1391,6 +1394,9 @@
                 '[email protected]'],
     'overview_mode': ['[email protected]'],
     'ozone': ['[email protected]', '[email protected]'],
+    'page_load_metrics' : ['[email protected]',
+    			   '[email protected]',
+			   '[email protected]'],
     'panels': ['[email protected]', '[email protected]',
                '[email protected]', '[email protected]'],
     'password_manager': ['[email protected]',