Remove possibly outdated heapcheck suppression.

BUG=141322


Review URL: https://chromiumcodereview.appspot.com/10836222

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@151539 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/media_gallery/media_galleries_preferences_unittest.cc

@@ -51,7 +51,6 @@ class MediaGalleriesPreferencesTest : public testing::Test {
   virtual ~MediaGalleriesPreferencesTest() {
     // TestExtensionSystem uses DeleteSoon, so we need to delete the profile
     // and then run the message queue to clean up.
-    MessageLoop::current()->RunAllPending();
     profile_.reset();
     MessageLoop::current()->RunAllPending();
   }

tools/heapcheck/suppressions.txt

@@ -1481,9 +1481,3 @@
    ...
    fun:ExtensionAction::GetIconAnimation
 }
-{
-   bug_141322
-   Heapcheck:Leak
-   fun:MessageLoop::MessageLoop
-   fun:MediaGalleriesPreferencesTest
-}