Prase IDL files in common/extensions/api PRESUBMIT check.

chrome/common/extensions/api/test_presubmit/invalid_idl_1.idl

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-class B {
- public:
-  B();
-  void Baz(float f);
-  void Qux(double d);
+// Tests an invalid IDL file.
+
+namespace test {
+  /* Unexpected "{" after keyword "dictionary". */

[not at google - send to devlin, 2013/09/09 16:14:07]

for all of these test file, use // not /* */.

however for all of these, I'd change

// Tests an invalid IDL file.

namespace test {
  /* some_condition */
  ...
}

to

// Tests some_condition.
namespace test {
}

[Haojian Wu, 2013/09/10 02:51:04]

Done.

+  dictionary {
+    DOMString s;
+  };
 };
-
-B::B() {}
-void B::Baz(float f) {}
-void B::Qux(double d) {}