Suppress leak in aura::RootWindow::ShowCursor Also propagate bug 143431 suppression to heapcheck

TBR=davemoore@chromium.org
BUG=143545,143431
TEST=waterfall.sh

Review URL: https://chromiumcodereview.appspot.com/10829406

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@152244 0039d316-1c4b-4281-b951-d872f2087c98

tools/heapcheck/suppressions.txt

@@ -1481,3 +1481,11 @@
    ...
    fun:ExtensionAction::GetIconAnimation
 }
+{
+   bug_143431
+   Heapcheck:Leak
+   ...
+   fun:ManagedMode::ManagedMode
+   fun:*FakeManagedMode
+   fun:ManagedModeTest::ManagedModeTest
+}

tools/valgrind/memcheck/suppressions.txt

@@ -5786,6 +5786,14 @@
    fun:_ZN15ManagedModeTestC2Ev
    fun:_ZN*ManagedModeTest_*
 }
+{
+   bug_143545
+   Memcheck:Uninitialized
+   fun:_ZN4aura10RootWindow10ShowCursorEb
+   fun:_ZN3ash5Shell10ShowCursorEb
+   fun:_ZN3ash13CursorManager10ShowCursorEb
+   fun:_ZN3ash4test11AshTestBase5SetUpEv
+}
 
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 # 4. These only occur on our Google workstations