Fix invalid read in the ResourceTracker tests. It wasn't doing the proper

tools/valgrind/memcheck/suppressions.txt

Index: tools/valgrind/memcheck/suppressions.txt
===================================================================
--- tools/valgrind/memcheck/suppressions.txt	(revision 96850)
+++ tools/valgrind/memcheck/suppressions.txt	(working copy)
@@ -3922,19 +3922,6 @@
    fun:_ZN7WebCore15GraphicsContext*EN3WTF10PassRefPtrINS_8GradientEEE
 }
 {
-   bug_77258_a
-   Memcheck:Leak
-   fun:_Znw*
-   fun:_ZN6webkit5ppapi*22MessageChannelAllocateEP4_NPPP7NPClass
-   fun:_NPN_CreateObject
-   fun:_ZN6WebKit11WebBindings12createObjectEP4_NPPP7NPClass
-   ...
-   fun:_ZN6webkit5ppapi14MessageChannelC1EPNS0_14PluginInstanceE
-   ...
-   fun:_ZN6webkit5ppapi14PluginInstanceC1EPNS0_14PluginDelegateEPNS0_12PluginModuleEPK12PPP_Instance
-   fun:_ZN6webkit5ppapi*ResourceTrackerTest_*
-}
-{
    bug_77258_b
    Memcheck:Leak
    fun:_Znw*
@@ -5164,25 +5151,6 @@
    fun:_ZN14RunnableMethodIN3net16HostResolverImpl3JobEMS2_FvRKN4base9TimeTicksEjE6Tuple2IS4_jEED0Ev
 }
 {
-   bug_92279
-   Memcheck:Addr4
-   fun:_NPN_ReleaseObject
-   fun:_ZN6WebKit11WebBindings13releaseObjectEP8NPObject
-   fun:_ZN5ppapi11NPObjectVarD0Ev
-   fun:_ZNK4base10RefCountedIN5ppapi3VarEE7ReleaseEv
-   fun:_ZN13scoped_refptrIN5ppapi3Var*
-   ...
-   fun:_ZN5ppapi10VarTracker7VarInfoD1Ev
-   fun:_ZNSt4pairIKiN5ppapi10VarTracker7VarInfo*
-   ...
-   fun:_ZN9__gnu_cxx8hash_mapIiN5ppapi10VarTracker7VarInfoENS_4hashIiEESt8equal_toIiESaIS3_EED1Ev
-   fun:_ZN5ppapi10VarTracker*
-   ...
-   fun:_ZN6webkit5ppapi15ResourceTracker*
-   ...
-   fun:_ZN6webkit5ppapi19ResourceTrackerTest*
-}
-{
    bug_92389
    Memcheck:Leak
    fun:_Znw*