Suppress a data race in ResourceDispatcherHost::OnUserGesture

tools/valgrind/tsan/suppressions.txt

 ############################
 # Real races in Chromium
 {
   bug_23433
   ThreadSanitizer:Race
   fun:*logging*SetMinLogLevel*
 }
 
 {
   bug_24419
@@ skipping 550 matching lines @@
   fun:DeleteTask::Run
 }
 {
   bug_89295_b
   ThreadSanitizer:Race
   fun:base::internal::WeakReference::Flag::Invalidate
   ...
   fun:base::SupportsWeakPtr::~SupportsWeakPtr
   fun:prerender::PrerenderManager::~PrerenderManager
 }
+{
+  bug_92889
+  ThreadSanitizer:Race
+  fun:base::TimeTicks::operator=
+  fun:ResourceDispatcherHost::OnUserGesture
+  fun:TabContents::OnUserGesture
+  fun:browser::Navigate
+  fun:Browser::OpenURLFromTab
+  fun:Browser::OpenURL
+  fun:TestingAutomationProvider::NavigateToURLBlockUntilNavigationsComplete
+  fun:DispatchToMethod
+}
 
 ############################
 # TSan false positives
 {
   tsanbug_62a
   ThreadSanitizer:Race
   fun:__memset_sse2
 }
 
 {
   tsanbug_62b
   ThreadSanitizer:Race
   fun:__GI_memcpy
 }