Revert r134768 "Suppress unaddressable on ChromeBrowserMainExtraPartsAsh::PreMainMessageLoopStart"

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 # running overnight and removing outdated bugs/suppressions.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 5758 matching lines @@
    bug_125129
    Memcheck:Leak
    fun:_Znw*
    ...
    fun:_ZN21RenderProcessHostImplC1EPN7content14BrowserContextE
    fun:_ZN16SiteInstanceImpl10GetProcessEv
    ...
    fun:_ZN*_*_Test8TestBodyEv
 }
 {
-   bug_125801
-   Memcheck:Unaddressable
-   fun:_ZNK10scoped_ptrIN4aura10RootWindowEE3getEv
-   fun:_ZN3ash5Shell13GetRootWindowEv
-   fun:_ZN30ChromeBrowserMainExtraPartsAsh23PreMainMessageLoopStartEv
-   fun:_ZN22ChromeBrowserMainParts23PreMainMessageLoopStartEv
-   fun:_ZN30ChromeBrowserMainPartsChromeos23PreMainMessageLoopStartEv
-   fun:_ZN7content15BrowserMainLoop20MainMessageLoopStartEv
-   fun:_ZN12_GLOBAL__N_121BrowserMainRunnerImpl10InitializeERKN7content18MainFunctionParamsE
-   fun:_Z11BrowserMainRKN7content18MainFunctionParamsE
-   fun:_ZN12_GLOBAL__N_123RunNamedProcessTypeMainERKSsRKN7content18MainFunctionParamsEPNS2_19ContentMainDelegateE
-   fun:_ZN12_GLOBAL__N_121ContentMainRunnerImpl3RunEv
-   fun:_ZN7content11ContentMainEiPPKcPNS_19ContentMainDelegateE
-   fun:ChromeMain
-}
-{
    bug_125807
    Memcheck:Leak
    fun:_Znw*
    fun:_ZN26TransportSecurityPersisterC1EPN3net22TransportSecurityStateERK8FilePathb
    fun:_ZN30TransportSecurityPersisterTestC2Ev
    ...
    fun:_ZN7testing8internal15TestFactoryImpl*
 }
 
 #-----------------------------------------------------------------------
@@ skipping 18 matching lines @@
    obj:/lib/libselinux.so.1
 }
 {
    bug_todo_grep
    Memcheck:Leak
    fun:malloc
    obj:/bin/grep
    obj:/bin/grep
 }