[bfcache] Add a watchlist for bfcache

R=carlscab@google.com

Change-Id: I31de368fb76d6aeb18770122d0aa32d36c20a18b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1815127Reviewed-by: Carlos Caballero <carlscab@google.com>
Commit-Queue: Alexander Timin <altimin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#698492}

WATCHLISTS

@@ -241,6 +241,12 @@
                   'content/test/data/battery_status/|'\
                   'device/battery/',
     },
+    'bfcache': {
+      'filepath': 'content/browser/frame_host/back_forward_cache.*|'\
+                  'content/browser/back_forward_cache_browsertest.cc|'\
+                  'content/test/data/back_forward_cache/|'\
+                  'content/public/browser/back_forward_cache.h',
+    },
     'binary_size': {
       'filepath': 'build/android/binary_size/|'\
                   'tools/binary_size/',
@@ -2011,6 +2017,7 @@
                  'robliao+watch@chromium.org',
                  'wfh+watch@chromium.org'],
     'battery_status': ['timvolodine@chromium.org'],
+    'bfcache': ['bfcache-bugs@chromium.org'],
     'binary_size': ['agrieve+watch@chromium.org',
                     'estevenson+watch@chromium.org'],
     'blink': ['blink-reviews@chromium.org'],