suppress memory leak from NetworkingPrivateCrypto::VerifyCredentials

BUG=286185
TBR=mef@chromium.org

Review URL: https://codereview.chromium.org/23874017

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@221571 0039d316-1c4b-4281-b951-d872f2087c98

tools/heapcheck/suppressions.txt

@@ -901,3 +901,10 @@
    fun:ExtensionService::AddExtension
    fun:extensions::TestExtensionEnvironment::MakeExtension
 }
+{
+   bug_286185
+   Heapcheck:Leak
+   fun:sqlite3MemMalloc
+   fun:NetworkingPrivateCrypto::VerifyCredentials
+   fun:NetworkingPrivateCryptoTest_VerifyCredentials_Test::TestBody
+}