DevTools: Add devtools for tryserver.chromium.linux

masters/master.tryserver.chromium.linux/master.cfg

Index: masters/master.tryserver.chromium.linux/master.cfg
diff --git a/masters/master.tryserver.chromium.linux/master.cfg b/masters/master.tryserver.chromium.linux/master.cfg
index 937ab83b11cbb00b34d765d0002e8af53d92c49c..fd6f97c7c968f8505d40cb3ca8169cdfacab38e6 100644
--- a/masters/master.tryserver.chromium.linux/master.cfg
+++ b/masters/master.tryserver.chromium.linux/master.cfg
@@ -293,6 +293,13 @@ chromium_builders.append({
   'factory': m_remote_run_chromium_src('chromium_trybot'),
 })
 
+chromium_builders.append({
+  'name': 'chromium_devtools',
+  'factory': base_factory('devtools', max_time=master_utils.CQ_MAX_TIME),
+  # Share build directory with compatible existing builders to save space.
+  'slavebuilddir': 'linux',
+})
+
 # Presubmit bots
 def presubmit(name, slavebuilddir=None, extra_props=None):
   properties = {'repo_name': name}