Fix up leak in FilePathWatcherTest and UserStyleSheetTest

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 b75dd272ad4ab841a8d1eeecb2b92b53cda2ec4a..ba59ca3a1832b17546b7df120cf3d058fb650827 100644
--- a/tools/valgrind/memcheck/suppressions.txt
+++ b/tools/valgrind/memcheck/suppressions.txt
@@ -4027,14 +4027,6 @@
    obj:*
 }
 {
-   bug_76644
-   Memcheck:Leak
-   fun:_Znw*
-   fun:_ZN40UserStyleSheetWatcherTest_StyleLoad_Test8TestBodyEv
-   fun:_ZN7testing8internal38HandleSehExceptionsInMethodIfSupportedINS_4TestEvEET0_PT_MS4_FS3_vEPKc
-   fun:_ZN7testing8internal35HandleExceptionsInMethodIfSupportedINS_4TestEvEET0_PT_MS4_FS3_vEPKc
-}
-{
    bug_76647
    Memcheck:Leak
    fun:_Znw*
@@ -4051,14 +4043,6 @@
    fun:_ZN11MessageLoop10RunHandlerEv
 }
 {
-   bug_77042
-   Memcheck:Leak
-   fun:_Znw*
-   fun:_ZN4base16MessageLoopProxy22CreateForCurrentThreadEv
-   fun:_ZN19ServiceProcessState10InitializeEv
-   fun:_ZN39ServiceProcessStateFileManipulationTest5SetUpEv
-}
-{
    bug_77049
    Memcheck:Cond
    fun:_ZN7WebCore8Gradient20sortStopsIfNecessaryEv