Add another MSan tester to chromium.fyi.

masters/master.chromium.fyi/master.cfg

Index: masters/master.chromium.fyi/master.cfg
diff --git a/masters/master.chromium.fyi/master.cfg b/masters/master.chromium.fyi/master.cfg
index ebab1647a38e692783c3dd2564b35723711b2299..30edc80405556758de088c05a8067f9fc5b9eaff 100644
--- a/masters/master.chromium.fyi/master.cfg
+++ b/masters/master.chromium.fyi/master.cfg
@@ -183,6 +183,11 @@ s_chromium_cronet_rel = Triggerable(
                   'Android Cronet x86 Builder',
                   'Android Cronet MIPS Builder'])
 
+# Triggerable scheduler for Linux MSan.
+s_chromium_linux_msan = Triggerable(
+    name='linux_msan',
+    builderNames=['Chromium Linux MSan (browser tests)'])
+
 # Windows Dr.Memory builder list
 builderlist=[
   'Windows Tests (DrMemory XP)',
@@ -275,6 +280,7 @@ c['schedulers'] = [s_chromium,
                    s_chromium_linux_arm,
                    s_chromium_mac_108_x64_experimental,
                    s_chromium_win_coverage,
+                   s_chromium_linux_msan,
                   ]
 
 # Tests that are single-machine shard-safe.
@@ -1481,6 +1487,14 @@ b_chromium_rel_linux_lsan_asan = {
 
 b_chromium_rel_linux_msan = {
   'name': 'Chromium Linux MSan',
+  'factory': annotator_factory.AnnotatorFactory().BaseFactory('chromium',
+      triggers=['linux_msan']),
+  'category': 'msan',
+  'auto_reboot': True,
+}
+
+b_chromium_rel_linux_msan_browser = {
+  'name': 'Chromium Linux MSan (browser tests)',
   'factory': annotator_factory.AnnotatorFactory().BaseFactory('chromium'),
   'category': 'msan',
   'auto_reboot': True,
@@ -2158,6 +2172,7 @@ c['builders'] = [
 
   # MSan
   b_chromium_rel_linux_msan,
+  b_chromium_rel_linux_msan_browser,
 
   # NaCl
   b_chromium_rel_win32_morenacl,