ash: Get output info from chromeos instead of XRandR.

tools/heapcheck/suppressions.txt

 # There are three 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 # running overnight and removing outdated bugs/suppressions.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 136 matching lines @@
 {
    bug_51988_j
    Heapcheck:Leak
    fun:sqlite3MemMalloc
    fun:chromeos::*::ListCertsInSlot
 }
 {
    bug_119677
    Heapcheck:Leak
    ...
-   fun:DisplayChangeObserverX11
+   fun:DisplayChangeObserver
    fun:aura::Env::Init
    fun:aura::Env::GetInstance
 }
 {
    bug_146464_a
    Heapcheck:Leak
    fun:get_peer_sock_name
    fun:base::MessagePumpAuraX11::GetDefaultXDisplay
 }
 {
@@ skipping 700 matching lines @@
    fun:views::View::AddChildViewAt
    fun:views::NonClientView::ViewHierarchyChanged
    fun:views::View::ViewHierarchyChangedImpl
    fun:views::View::PropagateAddNotifications
    fun:views::View::AddChildViewAt
    fun:views::View::AddChildView
    fun:views::internal::RootView::SetContentsView
    fun:views::Widget::SetContentsView
    fun:views::Widget::Init
    fun:BrowserFrame::InitBrowserFrame
-}
+}