Fix an unitialized read in a unit test to appease valgrind

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 8ca7ecb0c6a037e0c649e2cfcf7314f74ac36bde..0a7c97bec7b41c2a3cf0b63472de72cd549085cc 100644
--- a/tools/valgrind/memcheck/suppressions.txt
+++ b/tools/valgrind/memcheck/suppressions.txt
@@ -689,26 +689,6 @@
    fun:_ZN12AboutHandler10AboutCrashEv
 }
 {
-   # Valgrind gives false positive on initialized fields in
-   # BufferedResourceLoader::RestartLoadingTask().
-   # see https://bugs.kde.org/show_bug.cgi?id=243992
-   valgrind_bug_243992
-   Memcheck:Cond
-   fun:_ZN11webkit_glue22BufferedResourceLoader20DisableDeferIfNeededEv
-   fun:_ZN11webkit_glue22BufferedResourceLoader13SetAllowDeferEb
-   fun:_ZN11webkit_glue18BufferedDataSource18RestartLoadingTaskEv
-   ...
-}
-{
-   # Very similar to the above bug, but in WatchDogTask().
-   # see https://bugs.kde.org/show_bug.cgi?id=243992
-   valgrind_bug_243992b
-   Memcheck:Cond
-   fun:_ZN11webkit_glue22BufferedResourceLoader20DisableDeferIfNeededEv
-   ...
-   fun:_ZN11webkit_glue18BufferedDataSource12WatchDogTaskEv
-}
-{
    # Minor commandline options leak in v8
    # See http://code.google.com/p/v8/issues/detail?id=275
    v8_bug_275