Revert r134768 "Suppress unaddressable on ChromeBrowserMainExtraPartsAsh::PreMainMessageLoopStart"

TBR=zhaoqin@google.com
BUG=125801
TEST=none

Review URL: https://chromiumcodereview.appspot.com/10278002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@134787 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/memcheck/suppressions.txt

@@ -5775,22 +5775,6 @@
    ...
    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