An exprimental fix for Bug 65940....

tools/valgrind/memcheck/suppressions.txt

Index: tools/valgrind/memcheck/suppressions.txt
===================================================================
--- tools/valgrind/memcheck/suppressions.txt	(revision 68724)
+++ tools/valgrind/memcheck/suppressions.txt	(working copy)
@@ -3461,25 +3461,6 @@
    fun:_ZN7WebCore11RenderBlock37computeBlockDirectionPositionsForLineEPNS_13RootInlineBoxEPNS_7BidiRunERN3WTF7HashMapIPKNS_13InlineTextBoxESt4pairINS5_6VectorIPKNS_14SimpleFontDataELj0EEENS_13GlyphOverflowEENS5_7PtrHashIS9_EENS5_10HashTraitsIS9_EENSK_ISH_EEEERNS_21VerticalPositionCacheE
 }
 {
-   bug_65940_a
-   Memcheck:Leak
-   fun:_Znw*
-   ...
-   fun:_ZN3IPC12ChannelProxy7Context13CreateChannelERKNS_13ChannelHandleERKNS_7Channel4ModeE
-   fun:_ZN3IPC12ChannelProxy4InitERKNS_13ChannelHandleENS_7Channel4ModeEP11MessageLoopb
-   fun:_ZN3IPC12ChannelProxyC2ERKNS_13ChannelHandleENS_7Channel4ModeEP11MessageLoopPNS0_7ContextEb
-   fun:_ZN3IPC11SyncChannelC1ERKNS_13ChannelHandleENS_7Channel4ModeEPNS4_8ListenerEP11MessageLoopbPN4base13WaitableEventE
-}
-{
-   bug_65940_b
-   Memcheck:Leak
-   fun:_Znw*
-   fun:_ZN3IPC11SyncChannelC1ERKNS_13ChannelHandleENS_7Channel4ModeEPNS4_8ListenerEP11MessageLoopbPN4base13WaitableEventE
-   fun:_ZN11ChildThread4InitEv
-   fun:_ZN11ChildThreadC2ERKSs
-   fun:_ZN12RenderThreadC1ERKSs
-}
-{
    bug_65988
    Memcheck:Leak
    fun:_Znw*