Add suppressions for two bugs found on TSan/UI...

tools/valgrind/tsan/suppressions.txt

 ############################
 # Chromium
 
 {
   bug_23433
   ThreadSanitizer:Race
   fun:*logging*SetMinLogLevel*
 }
 
 {
@@ skipping 37 matching lines @@
 }
 
 {
   bug_57266b
   ThreadSanitizer:Race
   ...
   obj:*libffmpegsumo.*
   fun:ThreadSanitizerStartThread
 }
 
+{
+  bug_61210
+  ThreadSanitizer:Race
+  ...
+  fun:linked_ptr<PluginGroup>*
+}
+
 ############################
 # Real races in third_party
 {
   bug_23244 (libevent)
   ThreadSanitizer:Race
   fun:event_*
   fun:event_*
 }
 
 {
@@ skipping 178 matching lines @@
 }
 
 {
   Two writes, same value (sqlite3_initialize)
   ThreadSanitizer:Race
   fun:sqlite3_initialize
   fun:openDatabase
 }
 
 ############################
+# Races in V8
+
+# http://code.google.com/p/v8/issues/detail?id=361
+{
+  Race on Locker::active_ in v8
+  ThreadSanitizer:Race
+  fun:v8::Locker::*
+}
+
+############################
 # Benign races in libc
 
 # A benign race inside the implementation of internal libc mutex
 {
   Benign races in __lll_*lock_*_private
   ThreadSanitizer:Race
   fun:__lll_*lock_*_private
 }
 
 # Benign race below thread-safe time-conversion functions
@@ skipping 54 matching lines @@
   ThreadSanitizer:Race
   ...
   fun:gethostbyname2_r*
 }
 
 {
   Benign race in nss (PR_EnterMonitor)
   ThreadSanitizer:Race
   fun:PR_EnterMonitor
 }