Valgrind: Add a new suppression and update another.

tools/valgrind/memcheck/suppressions.txt

Index: tools/valgrind/memcheck/suppressions.txt
diff --git a/tools/valgrind/memcheck/suppressions.txt b/tools/valgrind/memcheck/suppressions.txt
index 05484fa2b7fd1658d644a83df9ac49709291d199..277de337a14092b050519a973257ed9a5b47780f 100644
--- a/tools/valgrind/memcheck/suppressions.txt
+++ b/tools/valgrind/memcheck/suppressions.txt
@@ -2984,12 +2984,11 @@
    bug_576259_a
    Memcheck:Uninitialized
    fun:_ZN7GrGLGpu11bindTextureEiRK15GrTextureParamsbP11GrGLTexture
+   ...
    fun:_ZN7GrGLGpu12flushGLStateERK10GrPipelineRK20GrPrimitiveProcessor
    fun:_ZN7GrGLGpu6onDrawERK10GrPipelineRK20GrPrimitiveProcessorPK6GrMeshi
    fun:_ZN5GrGpu4drawERK10GrPipelineRK20GrPrimitiveProcessorPK6GrMeshi
    fun:_ZN13GrVertexBatch6onDrawEP17GrBatchFlushState
-   ...
-   fun:_ZN2cc17SingleThreadProxy36ScheduledActionDrawAndSwapIfPossibleEv
 }
 {
    bug_576259_b
@@ -3155,3 +3154,13 @@
    fun:_ZN3gin10Dictionary3SetIN4mojo6Handle*
    fun:_ZN4mojo3edk2js12_GLOBAL__N_114CreateDataPipe*
 }
+{
+   bug_602964
+   Memcheck:Leak
+   fun:_Znw*
+   fun:_ZN4base4BindIMNS_12_GLOBAL__N_121PostTaskAndReplyRelayEFvvEJNS_8internal17UnretainedWrapper*
+   fun:_ZN4base8internal20PostTaskAndReplyImpl16PostTaskAndReplyERKN15tracked_objects8LocationERKNS*
+   fun:_ZN4base10TaskRunner16PostTaskAndReplyERKN15tracked_objects8LocationERKNS_8CallbackIFvvELNS*
+   fun:_ZN4base26PostTaskAndReplyWithResultIN3net20WifiPHYLayerProtocolES2_EEbPNS*
+   fun:_ZN7metrics22NetworkMetricsProvider25ProbeWifiPHYLayerProtocolEv
+}