supprress memory leak from TemplateURLServiceTest::AddKeywordWithDate

tools/heapcheck/suppressions.txt

Index: tools/heapcheck/suppressions.txt
diff --git a/tools/heapcheck/suppressions.txt b/tools/heapcheck/suppressions.txt
index 1e33563650b616e5f68e6ddcffd69b9745bb6def..2c654750db811bc0a4f7121cb4a929db5f52bfaa 100644
--- a/tools/heapcheck/suppressions.txt
+++ b/tools/heapcheck/suppressions.txt
@@ -1876,3 +1876,17 @@
    fun:ash::test::AshTestBase::UpdateDisplay
    fun:ash::internal::MirrorWindowControllerTest_MirrorCursor_Test::TestBody
 }
+{
+   bug_246560a
+   Heapcheck:Leak
+   ...
+   fun:TemplateURLServiceTest::AddKeywordWithDate
+   fun:TemplateURLServiceTest_ResetNonExtensionURLs_Test::TestBody
+}
+{
+   bug_246560b
+   Heapcheck:Leak
+   fun:std::basic_string::_Rep::_S_create
+   fun:std::operator+
+   fun:TemplateURLServiceTest_ResetNonExtensionURLs_Test::TestBody
+}