Memory leak in remoting::SessionManagerTest_OneRecordCycle_Test

tools/valgrind/memcheck/suppressions_mac.txt

 # There are three kinds of suppressions in this file:
 # 1. Third party stuff we have no control over.
 #
 # 2. Intentional unit test errors, stuff that is somehow a false positive
 # in our own code, or stuff that is so trivial it's not worth fixing.
 #
 # 3. Suppressions for real chromium bugs that are not yet fixed.
 # These should all be in chromium's bug tracking system.
 # Periodically we should sweep this file and the bug tracker clean by
 # running overnight and removing outdated bugs/suppressions.
@@ skipping 1546 matching lines @@
    Memcheck:Leak
    fun:_Znw*
    fun:_ZN16ChildProcessHost13CreateChannelEv
    fun:_ZN18UtilityProcessHost12StartProcessERK8FilePath
    fun:_ZN18UtilityProcessHost22StartExtensionUnpackerERK8FilePath
    fun:_ZN26SandboxedExtensionUnpacker22StartProcessOnIOThreadERK8FilePath
    fun:_Z16DispatchToMethodI26SandboxedExtensionUnpackerMS0_FvRK8FilePathES1_EvPT_T0_RK6Tuple1IT1_E
    fun:_ZN14RunnableMethodI26SandboxedExtensionUnpackerMS0_FvRK8FilePathE6Tuple1IS1_EE3RunEv
    fun:_ZN11MessageLoop7RunTaskEP4Task
 }
+{
+   bug_53277
+   Memcheck:Leak
+   fun:_Znw*
+   fun:_Z11NewCallbackIN8remoting14SessionManagerEPNS0_21ChromotingHostMessageEiEPN9Callback2IT0_T1_E4TypeEPT_MSA_FvS5_S6_E
+   fun:_ZN8remoting14SessionManager8DoEncodeE13scoped_refptrINS_11CaptureDataEE
+   fun:_Z16DispatchToMethodIN8remoting14SessionManagerEMS1_Fv13scoped_refptrINS0_11CaptureDataEEES4_EvPT_T0_RK6Tuple1IT1_E
+   fun:_ZN14RunnableMethodIN8remoting14SessionManagerEMS1_Fv13scoped_refptrINS0_11CaptureDataEEE6Tuple1IS4_EE3RunEv
+   fun:_ZN11MessageLoop7RunTaskEP4Task
+   ...
+   fun:_ZN8remoting38SessionManagerTest_OneRecordCycle_Test8TestBodyEv
+}