Widen suppression

TBR=kinuko@chromium.org
BUG=83944
TEST=heapchecker ui_test will pass.

Review URL: http://codereview.chromium.org/7068028

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@86733 0039d316-1c4b-4281-b951-d872f2087c98

tools/heapcheck/suppressions.txt

@@ -1614,6 +1614,5 @@
    bug_83944
    Heapcheck:Leak
    ...
-   fun:fileapi::FileSystemTestOriginHelper::SetUp
    fun:fileapi::FileSystemOperationTest::SetUp
 }