[Extensions Bindings] Consider argument type more in signature parsing

extensions/renderer/bindings/argument_spec_unittest.cc

Index: extensions/renderer/bindings/argument_spec_unittest.cc
diff --git a/extensions/renderer/bindings/argument_spec_unittest.cc b/extensions/renderer/bindings/argument_spec_unittest.cc
index 85a0a707577df617a3a62cdd2a9b3d0cd30936e2..a12b487510488e157140842c45e512b1a7aac6af 100644
--- a/extensions/renderer/bindings/argument_spec_unittest.cc
+++ b/extensions/renderer/bindings/argument_spec_unittest.cc
@@ -483,7 +483,8 @@ TEST_F(ArgumentSpecUnitTest, TypeChoicesTest) {
     ArgumentSpec spec(*ValueFromString(kSimpleChoices));
     ExpectSuccess(spec, "'alpha'", "'alpha'");
     ExpectSuccess(spec, "42", "42");
-    ExpectFailure(spec, "true", InvalidChoice());
+    const char kChoicesType[] = "[string|integer]";
+    ExpectFailure(spec, "true", InvalidType(kChoicesType, kTypeBoolean));
   }
 
   {
@@ -498,9 +499,11 @@ TEST_F(ArgumentSpecUnitTest, TypeChoicesTest) {
     ExpectSuccess(spec, "['alpha']", "['alpha']");
     ExpectSuccess(spec, "['alpha', 'beta']", "['alpha','beta']");
     ExpectSuccess(spec, "({prop1: 'alpha'})", "{'prop1':'alpha'}");
+
+    const char kChoicesType[] = "[array|object]";
     ExpectFailure(spec, "({prop1: 1})", InvalidChoice());
-    ExpectFailure(spec, "'alpha'", InvalidChoice());
-    ExpectFailure(spec, "42", InvalidChoice());
+    ExpectFailure(spec, "'alpha'", InvalidType(kChoicesType, kTypeString));
+    ExpectFailure(spec, "42", InvalidType(kChoicesType, kTypeInteger));
   }
 }