Valgrind: Add and widen suppressions.

tools/valgrind/memcheck/suppressions.txt

Index: tools/valgrind/memcheck/suppressions.txt
===================================================================
--- tools/valgrind/memcheck/suppressions.txt	(revision 148877)
+++ tools/valgrind/memcheck/suppressions.txt	(working copy)
@@ -5228,10 +5228,10 @@
    Memcheck:Leak
    fun:_Znw*
    fun:_ZN3WTF11ListHashSetIPN7WebCore12RenderInlineELm256ENS_7PtrHashIS3_EEEC1Ev
-   fun:_ZNK7WebCore17RenderLineBoxList5paintEPNS_20RenderBoxModelObjectERNS_9PaintInfoERKNS_8IntPointE
-   fun:_ZN7WebCore11RenderBlock13paintContentsERNS_9PaintInfoERKNS_8IntPointE
-   fun:_ZN7WebCore11RenderBlock11paintObjectERNS_9PaintInfoERKNS_8IntPointE
-   fun:_ZN7WebCore11RenderBlock5paintERNS_9PaintInfoERKNS_8IntPointE
+   fun:_ZNK7WebCore17RenderLineBoxList5paintEPNS_20RenderBoxModelObjectERNS_9PaintInfoERKNS*
+   fun:_ZN7WebCore11RenderBlock13paintContentsERNS_9PaintInfoERKNS*
+   fun:_ZN7WebCore11RenderBlock11paintObjectERNS_9PaintInfoERKNS*
+   fun:_ZN7WebCore11RenderBlock5paintERNS_9PaintInfoERKNS*
 }
 {
    bug_122716
@@ -5725,6 +5725,29 @@
    fun:_ZN7WebCore18AccessibilityTable4initEv
    fun:_ZN7WebCore18AccessibilityTable6createEPNS_12RenderObjectE
 }
+{
+   bug_139470
+   Memcheck:Leak
+   fun:_Znw*
+   fun:_ZN7WebCore22ThreadableBlobRegistry17unregisterBlobURLERKNS_4KURLE
+   ...
+   fun:_ZN7WebCore15WrapperTypeInfo11derefObjectEPv
+   fun:_ZN7WebCore7DOMData11derefObjectEPNS_15WrapperTypeInfoEPv
+   fun:_ZN7WebCore7DOMData23WrapperMapObjectRemoverIvE15visitDOMWrapperEPNS_12DOMDataStoreEPvN2v810PersistentINS6_6ObjectEEE
+   fun:_ZN7WebCore16WeakReferenceMapIvN2v86ObjectEE5visitEPNS_12DOMDataStoreEPNS_24AbstractWeakReferenceMapIvS2_E7VisitorE
+   fun:_ZN7WebCore7DOMData27removeObjectsFromWrapperMapIvEEvPNS_12DOMDataStoreERNS_24AbstractWeakReferenceMapIT_N2v86ObjectEEE
+   fun:_ZN7WebCore19removeAllDOMObjectsEv
+   fun:_ZN7WebCore22WorkerScriptControllerD1Ev
+   fun:_ZN3WTF14deleteOwnedPtrIN7WebCore22WorkerScriptControllerEEEvPT_
+   fun:_ZN3WTF6OwnPtrIN7WebCore22WorkerScriptControllerEE5clearEv
+   fun:_ZN7WebCore13WorkerContext11clearScriptEv
+   fun:_ZN7WebCore30WorkerThreadShutdownFinishTask11performTaskEPNS_22ScriptExecutionContextE
+   fun:_ZN7WebCore13WorkerRunLoop4Task11performTaskERKS0_PNS_22ScriptExecutionContextE
+   fun:_ZN7WebCore13WorkerRunLoop9runInModeEPNS_13WorkerContextERKNS_13ModePredicateENS0_8WaitModeE
+   fun:_ZN7WebCore13WorkerRunLoop3runEPNS_13WorkerContextE
+   fun:_ZN7WebCore12WorkerThread12runEventLoopEv
+   fun:_ZN7WebCore21DedicatedWorkerThread12runEventLoopEv
+}
 
 #-----------------------------------------------------------------------
 # 4. These only occur on our Google workstations