Valgrind: Add several new suppressions.

tools/valgrind/memcheck/suppressions.txt

Index: tools/valgrind/memcheck/suppressions.txt
===================================================================
--- tools/valgrind/memcheck/suppressions.txt	(revision 96444)
+++ tools/valgrind/memcheck/suppressions.txt	(working copy)
@@ -2211,7 +2211,16 @@
    fun:_ZN3WTF13FastAllocBasenwEj
    fun:_ZN3WTF20ThreadIdentifierData10initializeEj
 }
+# This might be the replacement for the bug_46144 signature above.
 {
+   bug_46144b
+   Memcheck:Leak
+   fun:_Znw*
+   fun:_ZN3WTF20ThreadIdentifierData10initializeEj
+   fun:_ZN3WTF31initializeCurrentThreadInternalEPKc
+   fun:_ZN3WTFL16threadEntryPointEPv
+}
+{
    bug_46163
    Memcheck:Leak
    fun:_Znw*
@@ -5289,6 +5298,38 @@
    fun:_ZN7testing8internal38HandleSehExceptionsInMethodIfSupportedINS_4TestEvEET0_PT_MS4_FS3_vEPKc
    fun:_ZN7testing8internal35HandleExceptionsInMethodIfSupportedINS_4TestEvEET0_PT_MS4_FS3_vEPKc
 }
+{
+   bug_92548
+   Memcheck:Leak
+   fun:_Znw*
+   ...
+   fun:_ZNSsC1ERKSsjj
+   fun:_ZNK4GURL15ComponentStringERKN9url_parse9ComponentE
+   fun:_ZNK4GURL4pathEv
+   fun:_ZN3net8HttpUtil14PathForRequestERK4GURL
+   fun:_ZN3net15HttpBasicStream11SendRequestERKNS_18HttpRequestHeadersEPNS_16UploadDataStreamEPNS_16HttpResponseInfoEP14CallbackRunnerI6Tuple1IiEE
+   fun:_ZN3net22HttpNetworkTransaction13DoSendRequestEv
+   fun:_ZN3net22HttpNetworkTransaction6DoLoopEi
+   fun:_ZN3net22HttpNetworkTransaction12OnIOCompleteEi
+   fun:_ZN3net22HttpNetworkTransaction13OnStreamReadyERKNS_9SSLConfigERKNS_9ProxyInfoEPNS_10HttpStreamE
+   fun:_ZN3net21HttpStreamFactoryImpl7Request13OnStreamReadyEPNS0_3JobERKNS_9SSLConfigERKNS_9ProxyInfoEPNS_10HttpStreamE
+   fun:_ZN3net21HttpStreamFactoryImpl3Job21OnStreamReadyCallbackEv
+   fun:_Z16DispatchToMethodIN3net21HttpStreamFactoryImpl3JobEMS2_FvvEEvPT_T0_RK6Tuple0
+   fun:_ZN27ScopedRunnableMethodFactoryIN3net21HttpStreamFactoryImpl3JobEE14RunnableMethodIMS2_FvvE6Tuple0E3RunEv
+   fun:_ZN4base6subtle18TaskClosureAdapter3RunEv
+}
+{
+   bug_92554
+   Memcheck:Leak
+   fun:_Znw*
+   fun:_ZNSs4_Rep9_S_createEjjRKSaIcE
+   fun:_ZNSs9_M_mutateEjjj
+   fun:_ZNSs12_M_leak_hardEv
+   fun:_ZNSsixEj
+   fun:_ZN3net13TrimEndingDotERKSs
+   fun:_ZN3net20GetHostOrSpecFromURLERK4GURL
+   fun:_ZN20AsyncResourceHandler17OnResponseStartedEiP16ResourceResponse
+}
 
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