Add suppressions for Mac UI valgrind bots

tools/valgrind/memcheck/suppressions_mac.txt

Index: tools/valgrind/memcheck/suppressions_mac.txt
diff --git a/tools/valgrind/memcheck/suppressions_mac.txt b/tools/valgrind/memcheck/suppressions_mac.txt
index 1304b80cc36f704b04d40ad78e4eda6da801d6b1..ae16c554e672c6a77315240ee0644ebf614a0fb3 100644
--- a/tools/valgrind/memcheck/suppressions_mac.txt
+++ b/tools/valgrind/memcheck/suppressions_mac.txt
@@ -349,3 +349,30 @@
    fun:_ZN7WebCore8V8Custom32v8MessagePortPostMessageCallbackERKN2v89ArgumentsE
    fun:_ZN2v88internalL21Builtin_HandleApiCallENS0_9ArgumentsE
 }
+{
+   bug_26324a
+   Memcheck:Cond
+   ...
+   fun:_ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIlEES3_S3_RSt8ios_basecT_
+   fun:_ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE6do_putES3_RSt8ios_basecl
+   fun:_ZNSolsEl
+   fun:_ZN26SocketStreamDispatcherHost10InitializeEPN3IPC7Message6SenderEi
+   fun:_ZN21ResourceMessageFilter18OnChannelConnectedEi
+}
+{
+   bug_26324b
+   Memcheck:Value4
+   ...
+   fun:_ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIlEES3_S3_RSt8ios_basecT_
+   fun:_ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE6do_putES3_RSt8ios_basecl
+   fun:_ZNSolsEl
+   fun:_ZN26SocketStreamDispatcherHost10InitializeEPN3IPC7Message6SenderEi
+   fun:_ZN21ResourceMessageFilter18OnChannelConnectedEi
+}
+{
+   bug_26326
+   Memcheck:Addr4
+   fun:_ZN7WebCore14ChromiumBridge24suddenTerminationChangedEb
+   fun:_ZN7WebCore23enableSuddenTerminationEv
+   fun:_ZN7WebCore15StorageAreaSync11performSyncEv
+}