Fix some memory leaks.

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 34add147c5f25b70e5c1069021e561bd502fa103..82be7cacf6c3512cdaf616a8041d0fba83b740df 100644
--- a/tools/valgrind/memcheck/suppressions.txt
+++ b/tools/valgrind/memcheck/suppressions.txt
@@ -5794,17 +5794,6 @@
    fun:_ZN3WTFL16threadEntryPointEPv
 }
 {
-   bug_112795
-   Memcheck:Leak
-   fun:malloc
-   fun:XGetAtomName
-   fun:_ZN2ui12TouchFactory16UpdateDeviceListEP9_XDisplay
-   fun:_ZN2ui12TouchFactoryC1Ev
-   fun:_ZN22DefaultSingletonTraitsIN2ui12TouchFactoryEE3NewEv
-   fun:_ZN9SingletonIN2ui12TouchFactoryE22DefaultSingletonTraitsIS1_ES1_E3getEv
-   fun:_ZN2ui12TouchFactory11GetInstanceEv
-}
-{
    bug_112798_a
    Memcheck:Leak
    ...
@@ -5823,12 +5812,6 @@
    fun:_ZN24RenderWidgetHostViewAuraC1EP16RenderWidgetHost
    fun:_ZN20RenderWidgetHostView19CreateViewForWidgetEP16RenderWidgetHost
 }
-{
-   bug_112803
-   Memcheck:Leak
-   fun:_Znw*
-   fun:_ZN5views45ViewLayerTest_OrphanLayerAfterViewRemove_Test8TestBodyEv
-}
 
 #-----------------------------------------------------------------------
 # 4. These only occur on our Google workstations