Fix use-after-scope issues with incorrect usage of ManifestParser.

content/renderer/manifest/manifest_parser_unittest.cc

Index: content/renderer/manifest/manifest_parser_unittest.cc
diff --git a/content/renderer/manifest/manifest_parser_unittest.cc b/content/renderer/manifest/manifest_parser_unittest.cc
index a2d12554fabe47faaac556f47ac0733f2fa65d6e..6c4eab9dfe2b451e8679bed3c563cdbe73f12c14 100644
--- a/content/renderer/manifest/manifest_parser_unittest.cc
+++ b/content/renderer/manifest/manifest_parser_unittest.cc
@@ -71,9 +71,9 @@ const GURL ManifestParserTest::default_manifest_url(
 
 TEST_F(ManifestParserTest, CrashTest) {
   // Passing temporary variables should not crash.
-  ManifestParser parser("{\"start_url\": \"/\"}",
-                        GURL("http://example.com"),
-                        GURL("http://example.com"));
+  const base::StringPiece json = "{\"start_url\": \"/\"}";
+  GURL url("http://example.com");
+  ManifestParser parser(json, url, url);
   parser.Parse();
   std::vector<ManifestDebugInfo::Error> errors;
   parser.TakeErrors(&errors);