Retire obsolete Valgrind supressions ..106552

The following supressions are no longer needed:
bug_106183a
bug_106183b
bug_106183c
bug_106402
bug_106552

BUG=106183,106402,106552
TBR=groby@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/576033002

Cr-Commit-Position: refs/heads/master@{#295571}

tools/valgrind/memcheck/suppressions.txt

@@ -2166,73 +2166,6 @@
    fun:_ZN4skia15ImageOperations11ResizeBasicE*
    fun:_ZN4skia15ImageOperations6ResizeE*
 }
-{
-   bug_106183a
-   Memcheck:Uninitialized
-   fun:_ZN5blink13RenderMarquee18updateMarqueeStyleEv
-   fun:_ZN5blink11RenderLayer12styleChangedENS_15StyleDifferenceEPKNS_11RenderStyleE
-   fun:_ZN5blink20RenderBoxModelObject14styleDidChangeENS_15StyleDifferenceEPKNS_11RenderStyleE
-   fun:_ZN5blink9RenderBox14styleDidChangeENS_15StyleDifferenceEPKNS_11RenderStyleE
-   fun:_ZN5blink11RenderBlock14styleDidChangeENS_15StyleDifferenceEPKNS_11RenderStyleE
-   fun:_ZN5blink12RenderObject8setStyleEN3WTF10PassRefPtrINS_11RenderStyleEEE
-}
-{
-   bug_106183b
-   Memcheck:Uninitialized
-   fun:_ZN5blink21ComplexTextController*
-   ...
-   fun:_ZNK7blink4Font27selectionRectForComplexTextERKNS_7TextRunERKNS_10FloatPointEiii
-   fun:_ZNK7blink4Font20selectionRectForTextERKNS_7TextRunERKNS_10FloatPointEiii
-   fun:_ZNK7blink13InlineTextBox17positionForOffsetEi
-   fun:_ZN5blink10RenderText14localCaretRectEPNS_9InlineBoxEiPi
-   fun:_ZNK7blink15VisiblePosition14localCaretRectERPNS_12RenderObjectE
-   fun:_ZN5blink9CaretBase15updateCaretRectEPNS_8DocumentERKNS_15VisiblePositionE
-   fun:_ZN5blink14FrameSelection14localCaretRectEv
-   fun:_ZN5blink14FrameSelection18recomputeCaretRectEv
-   fun:_ZN5blink14FrameSelection16updateAppearanceEv
-}
-{
-   bug_106183c
-   Memcheck:Uninitialized
-   fun:_ZN5blink21ComplexTextController*
-   ...
-   fun:_ZNK7blink4Font15drawComplexTextEPNS_15GraphicsContextERKNS_7TextRunERKNS_10FloatPointEii
-   fun:_ZNK7blink4Font8drawTextEPNS_15GraphicsContextERKNS_7TextRunERKNS_10FloatPointEii
-   fun:_ZN5blink15GraphicsContext8drawTextERKNS_4FontERKNS_7TextRunERKNS_10FloatPointEii
-   fun:_ZN5blinkL20paintTextWithShadowsEPNS_15GraphicsContextERKNS_4FontERKNS_7TextRunERKN3WTF12AtomicStringEiiiiRKNS_10FloatPointERKNS_9FloatRectEPKNS_10ShadowDataEbb
-   ...
-   fun:_ZNK7blink17RenderLineBoxList5paintEPNS_20RenderBoxModelObjectERNS_9PaintInfoERKNS_8IntPointE
-   fun:_ZN5blink11RenderBlock13paintContentsERNS_9PaintInfoERKNS_8IntPointE
-   fun:_ZN5blink11RenderBlock11paintObjectERNS_9PaintInfoERKNS_8IntPointE
-   fun:_ZN5blink11RenderBlock5paintERNS_9PaintInfoERKNS_8IntPointE
-}
-{
-   bug_106402
-   Memcheck:Leak
-   fun:_Znw*
-   fun:_ZN2pp25CompletionCallbackFactoryIN5ppapi5proxy20PPB_Graphics2D_ProxyENS2_26ProxyNonThreadSafeRefCountEE17NewCallbackHelperINS5_11Dispatcher1IMS3_FviRKNS1_12HostResourceEES8_EEEENS_18CompletionCallbackERKT_
-   fun:_ZN2pp25CompletionCallbackFactoryIN5ppapi5proxy20PPB_Graphics2D_ProxyENS2_26ProxyNonThreadSafeRefCountEE11NewCallbackIMS3_FviRKNS1_12HostResourceEES7_EENS_18CompletionCallbackET_RKT0_
-   fun:_ZN2pp25CompletionCallbackFactoryIN5ppapi5proxy20PPB_Graphics2D_ProxyENS2_26ProxyNonThreadSafeRefCountEE19NewOptionalCallbackIMS3_FviRKNS1_12HostResourceEES7_EENS_18CompletionCallbackET_RKT0_
-   fun:_ZN5ppapi5proxy38EnterHostFromHostResourceForceCallbackINS_5thunk18PPB_Graphics2D_APIEEC1IN2pp25CompletionCallbackFactoryINS0_20PPB_Graphics2D_ProxyENS0_26ProxyNonThreadSafeRefCountEEEMS8_FviRKNS_12HostResourceEESB_EESD_RT_T0_RKT1_
-   fun:_ZN5ppapi5proxy20PPB_Graphics2D_Proxy14OnHostMsgFlushERKNS_12HostResourceE
-}
-{
-   bug_106552
-   Memcheck:Uninitialized
-   ...
-   fun:_ZN25JSONStringValueSerializer17SerializeInternalERKN4base5ValueEb
-   fun:_ZN25JSONStringValueSerializer9SerializeERKN4base5ValueE
-   fun:_ZN13JsonPrefStore13SerializeDataEPSs
-   fun:_ZN19ImportantFileWriter16DoScheduledWriteEv
-   fun:_ZN13JsonPrefStore18CommitPendingWriteEv
-   fun:_ZN13JsonPrefStoreD0Ev
-   fun:_ZNK4base10RefCountedI9PrefStoreE7ReleaseEv
-   fun:_ZN13scoped_refptrI19PersistentPrefStoreEaSEPS0_
-   fun:_ZN11PrefServiceD0Ev
-   fun:_ZN10scoped_ptrI11PrefServiceED1Ev
-   fun:_ZN14TestingProfileD2Ev
-   fun:_ZN23ExtensionTestingProfileD0Ev
-}
 {
    bug_106912
    Memcheck:Leak