Generalize Valgrind / Webkit suppression for Histogram11BucketIndex

tools/valgrind/memcheck/suppressions.txt

 # There are four kinds of suppressions in this file.
 # 1. third party stuff we have no control over
 #
 # 2. intentional unit test errors, or stuff that is somehow a false positive
 # in our own code, or stuff that is so trivial it's not worth fixing
 #
 # 3. Suppressions for real chromium bugs that are not yet fixed.
 # These should all be in chromium's bug tracking system (but a few aren't yet).
 # Periodically we should sweep this file and the bug tracker clean by
 # running overnight and removing outdated bugs/suppressions.
@@ skipping 5869 matching lines @@
    fun:_ZN5views4View17DoRemoveChildViewEPS0_bbb
 }
 {
    bug_116475
    Memcheck:Uninitialized
    ...
    fun:_ZNK4base9Histogram11BucketIndexEi
    fun:_ZN4base9Histogram3AddEi
    fun:_ZN11webkit_glue25WebKitPlatformSupportImpl21histogramCustomCountsEPKciiii
    fun:_ZN7WebCore15PlatformSupport21histogramCustomCountsEPKciiii
-   fun:_ZN7WebCore19CCLayerTreeHostImpl20optimizeRenderPassesERN3WTF6VectorINS1_6OwnPtrINS_12CCRenderPassEEELj0EEE
+   fun:_ZN7WebCore19CCLayerTreeHostImpl20optimizeRenderPasses*
    fun:_ZN7WebCore19CCLayerTreeHostImpl10drawLayersEv
    fun:_ZN7WebCore19CCSingleThreadProxy11doCompositeEv
-   fun:_ZN7WebCore19CCSingleThreadProxy20compositeImmediatelyEv
-   fun:_ZN7WebCore15CCLayerTreeHost9compositeEv
-   fun:_ZN6WebKit16WebLayerTreeView9compositeEv
 }
 {
    bug_116580
    Memcheck:Leak
    fun:_Znw*
    fun:_ZN4base5Value18CreateIntegerValueEi
    fun:_ZNK4test3api21additional_properties26ReturnAdditionalProperties6Result12ResultObject7ToValueEv
    fun:_ZN4test3api21additional_properties26ReturnAdditionalProperties6Result6CreateERKNS3_12ResultObjectE
    fun:_ZN86JsonSchemaCompilerAdditionalPropertiesTest_ReturnAdditionalPropertiesResultCreate_Test8TestBodyEv
 }
@@ skipping 25 matching lines @@
    obj:/lib/libselinux.so.1
    obj:/lib/libselinux.so.1
 }
 {
    bug_todo_grep
    Memcheck:Leak
    fun:malloc
    obj:/bin/grep
    obj:/bin/grep
 }