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

chrome/common/extensions/api/test_presubmit/invalid_idl_4.idl

Index: chrome/common/extensions/api/test_presubmit/invalid_idl_4.idl
diff --git a/build/android/tests/symbolize/b.cc b/chrome/common/extensions/api/test_presubmit/invalid_idl_4.idl
similarity index 54%
copy from build/android/tests/symbolize/b.cc
copy to chrome/common/extensions/api/test_presubmit/invalid_idl_4.idl
index db8752099aa7bfec68ee066d19b66d183e4c6904..e3102637e57fc28b54061960a420361c7ded76fc 100644
--- a/build/android/tests/symbolize/b.cc
+++ b/chrome/common/extensions/api/test_presubmit/invalid_idl_4.idl
@@ -1,14 +1,13 @@
-// 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);
-};
-
-B::B() {}
-void B::Baz(float f) {}
-void B::Qux(double d) {}
+// 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.
+
+// Tests an invalid IDL file.
+
+namespace test {
+  /* Trailing comma in block. */
+  enum TrailingComma {
+    name1,
+    name2,
+  };
+};