Retire obsolete Valgrind supressions ..160877

The following supressions are no longer needed:
bug_150995
bug_151006
bug_151007
bug_151908
bug_155404
bug_156829
bug_158514
bug_159005
bug_160877

BUG=150995,151006,151007,151908,155404,156829,158514,159005,160877
TBR=groby@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/586603002

Cr-Commit-Position: refs/heads/master@{#295647}

tools/valgrind/memcheck/suppressions.txt

@@ -2485,120 +2485,6 @@
    fun:XOpenDisplay
    fun:_ZN4base18MessagePumpAuraX1118GetDefaultXDisplayEv
 }
-{
-   bug_150995
-   Memcheck:Leak
-   fun:_Zna*
-   fun:_ZN14webkit_support12_GLOBAL__N_113DoLibpngWrite*
-   fun:_ZN14webkit_support26EncodeWithCompressionLevel*
-   fun:_ZN14webkit_support6EncodeEPKhNS_12_GLOBAL__N_111ColorFormat*
-   fun:_ZN14webkit_support25EncodeBGRAPNGWithChecksum*
-   fun:_ZNK9TestShell9dumpImageEP8SkCanvas
-   fun:_ZN9TestShell4dumpEv
-   fun:_ZN9TestShell12testFinishedEP11WebViewHost
-   fun:_ZN11WebViewHost12testFinishedEv
-   fun:_ZN13WebTestRunner10TestRunner9WorkQueue15processWorkSoonEv
-}
-{
-   bug_151006
-   Memcheck:Leak
-   fun:malloc
-   fun:uprv_malloc_46
-   fun:_ZN6icu_467UMemorynwEm
-   fun:_ZN6icu_4610DateFormat6createENS0_6EStyleES1_RKNS_6LocaleE
-   fun:_ZN6icu_4610DateFormat22createDateTimeInstanceENS0_6EStyleES1_RKNS_6LocaleE
-   fun:udat_open_46
-   fun:_ZNK7blink9LocaleICU14openDateFormatE16UDateFormatStyleS1_
-   fun:_ZN5blink9LocaleICU24initializeDateTimeFormatEv
-   fun:_ZN5blink9LocaleICU15shortTimeFormatEv
-   fun:_ZN5blink19DateTimeEditElement6layoutERKNS_9StepRangeERKNS_14DateComponentsERNS_9LocalizerE
-   fun:_ZN5blink19DateTimeEditElement13setEmptyValueERKNS_9StepRangeERKNS_14DateComponentsERNS_9LocalizerE
-   fun:_ZN5blink13TimeInputType20updateInnerTextValueEv
-   fun:_ZN5blink13TimeInputType19createShadowSubtreeEv
-   fun:_ZN5blink16HTMLInputElement10updateTypeEv
-   fun:_ZN5blink16HTMLInputElement14parseAttributeERKNS_9AttributeE
-   fun:_ZN5blink7Element16attributeChangedERKNS_9AttributeE
-   fun:_ZN5blink13StyledElement16attributeChangedERKNS_9AttributeE
-   fun:_ZN5blink7Element19parserSetAttributesERKN3WTF6VectorINS_9AttributeELm0EEENS_27FragmentScriptingPermissionE
-   fun:_ZN5blink20HTMLConstructionSite17createHTMLElementEPNS_15AtomicHTMLTokenE
-   fun:_ZN5blink20HTMLConstructionSite28insertSelfClosingHTMLElementEPNS_15AtomicHTMLTokenE
-   fun:_ZN5blink15HTMLTreeBuilder24processStartTagForInBodyEPNS_15AtomicHTMLTokenE
-   fun:_ZN5blink15HTMLTreeBuilder15processStartTagEPNS_15AtomicHTMLTokenE
-}
-{
-   bug_151007
-   Memcheck:Leak
-   fun:malloc
-   fun:_ZN3WTF10fastMallocEm
-   fun:_ZN3WTF10RefCountedIN7blink15AtomicHTMLTokenEEnwEm
-   fun:_ZN5blink15AtomicHTMLToken6createERNS_9HTMLTokenE
-   fun:_ZN5blink15HTMLTreeBuilder22constructTreeFromTokenERNS_9HTMLTokenE
-   fun:_ZN5blink18HTMLDocumentParser13pumpTokenizerENS0_15SynchronousModeE
-   fun:_ZN5blink18HTMLDocumentParser23pumpTokenizerIfPossibleENS0_15SynchronousModeE
-   fun:_ZN5blink18HTMLDocumentParser6insertERKNS_15SegmentedStringE
-   fun:_ZN5blink18HTMLDocumentParser21parseDocumentFragmentERKN3WTF6StringEPNS_16DocumentFragmentEPNS_7ElementENS_27FragmentScriptingPermissionE
-   fun:_ZN5blink16DocumentFragment9parseHTMLERKN3WTF6StringEPNS_7ElementENS_27FragmentScriptingPermissionE
-   fun:_ZN5blink31createFragmentForInnerOuterHTMLERKN3WTF6StringEPNS_7ElementENS_27FragmentScriptingPermissionERi
-   fun:_ZN5blink11HTMLElement12setInnerHTMLERKN3WTF6StringERi
-   fun:_ZN5blink21HTMLElementV8InternalL19innerHTMLAttrSetterEN2v85LocalINS1_6StringEEENS2_INS1_5ValueEEERKNS1_12AccessorInfoE
-   fun:_ZN2v88internal21StoreCallbackPropertyENS0_9ArgumentsEPNS0_7IsolateE
-   ...
-   fun:_ZN2v88internalL6InvokeEbNS0_6HandleINS0_10JSFunctionEEENS1_INS0_6ObjectEEEiPS5_Pb
-}
-{
-   bug_151908
-   Memcheck:Leak
-   fun:_Znw*
-   ...
-   fun:_ZN6webkit3gpu18GLInProcessContext22CreateOffscreenContextEPS1_RKN3gfx4SizeES2_PKcPKiNS3_13GpuPreferenceE
-   fun:_ZN6webkit3gpu46WebGraphicsContext3DInProcessCommandBufferImpl10InitializeEN5blink20WebGraphicsContext3D10AttributesEPS3_
-   fun:_ZN14webkit_support23CreateGraphicsContext3DERKN5blink20WebGraphicsContext3D10AttributesEPNS0_7WebViewE
-   fun:_ZN11WebViewHost19createOutputSurfaceEv
-   fun:_ZN5blink11WebViewImpl19createOutputSurfaceEv
-   fun:_ZN5blink20WebLayerTreeViewImpl19createOutputSurfaceEv
-}
-{
-   bug_155404
-   Memcheck:Uninitialized
-   fun:_ZN2v88internalL21ProfilerSignalHandlerEiP7siginfoPv
-   obj:/lib/libpthread-2.11.1.so
-}
-{
-   bug_156829
-   Memcheck:Leak
-   fun:_Znw*
-   fun:_ZN7content23AudioInputDeviceManager23EnumerateOnDeviceThread*
-}
-{
-   bug_158514
-   Memcheck:Uninitialized
-   ...
-   fun:_ZN2v88internal16ProfileGenerator16RecordTickSampleERKNS0_10TickSampleE
-   fun:_ZN2v88internal23ProfilerEventsProcessor12ProcessTicksEj
-   fun:_ZN2v88internal23ProfilerEventsProcessor3RunEv
-   fun:_ZN2v88internalL11ThreadEntryEPv
-}
-{
-   bug_159005
-   Memcheck:Uninitialized
-   fun:_ZN5blink13RenderMarquee18updateMarqueeStyleEv
-   fun:_ZN5blink11RenderLayer12styleChangedENS_15StyleDifferenceEPKNS_11RenderStyleE
-   fun:_ZN5blink22RenderLayerModelObject14styleDidChangeENS_15StyleDifferenceEPKNS_11RenderStyleE
-   fun:_ZN5blink9RenderBox14styleDidChangeENS_15StyleDifferenceEPKNS_11RenderStyleE
-   fun:_ZN5blink11RenderBlock14styleDidChangeENS_15StyleDifferenceEPKNS_11RenderStyleE
-   fun:_ZN5blink12RenderObject8setStyleEN3WTF10PassRefPtrINS_11RenderStyleEEE
-}
-{
-   bug_160877
-   Memcheck:Leak
-   fun:_Znw*
-   ...
-   fun:_ZN7content*DummyListenSocketC1Ev
-   fun:_ZNK7content*DummyListenSocketFactory15CreateAndListenEPN3net18StreamListenSocket8DelegateE
-   ...
-   fun:_ZN3net10HttpServerC1ERKNS_25StreamListenSocketFactoryEPNS0_8DelegateE
-   fun:_ZN7content23DevToolsHttpHandlerImpl4InitEv
-}
 {
    bug_162825
    Memcheck:Uninitialized