Mark PDFExtensionTest.Navigator as flaky on ASAN.

chrome/browser/pdf/pdf_extension_test.cc

Index: chrome/browser/pdf/pdf_extension_test.cc
diff --git a/chrome/browser/pdf/pdf_extension_test.cc b/chrome/browser/pdf/pdf_extension_test.cc
index 954598afd52bf278acdc8222e2846ccbcf6c15aa..eecfd34dbcf67eea4ced82063f44b7deb030275a 100644
--- a/chrome/browser/pdf/pdf_extension_test.cc
+++ b/chrome/browser/pdf/pdf_extension_test.cc
@@ -333,7 +333,13 @@ IN_PROC_BROWSER_TEST_F(PDFExtensionTest, Bookmark) {
   RunTestsInFile("bookmarks_test.js", "test-bookmarks.pdf");
 }
 
-IN_PROC_BROWSER_TEST_F(PDFExtensionTest, Navigator) {
+// https://crbug.com/600445
+#if defined(ADDRESS_SANITIZER)
+#define MAYBE_Navigator DISABLED_Navigator
+#else
+#define MAYBE_Navigator Navigator
+#endif
+IN_PROC_BROWSER_TEST_F(PDFExtensionTest, MAYBE_Navigator) {
   RunTestsInFile("navigator_test.js", "test.pdf");
 }