Restore skipping of default categories.

base/debug/trace_event_unittest.cc

 // Copyright (c) 2012 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.
 
 #include "base/debug/trace_event_unittest.h"
 
 #include <cstdlib>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 882 matching lines @@
   EXPECT_TRUE(std::find(cat_groups.begin(),
                         cat_groups.end(), "c2") != cat_groups.end());
   EXPECT_TRUE(std::find(cat_groups.begin(),
                         cat_groups.end(), "c3") != cat_groups.end());
   EXPECT_TRUE(std::find(cat_groups.begin(),
                         cat_groups.end(), "c4") != cat_groups.end());
   EXPECT_TRUE(std::find(cat_groups.begin(),
                         cat_groups.end(), "c5,c6") != cat_groups.end());
   EXPECT_TRUE(std::find(cat_groups.begin(),
                         cat_groups.end(), "c7,c8") != cat_groups.end());
+  // Make sure metadata isn't returned.
+  EXPECT_TRUE(std::find(cat_groups.begin(),
+                        cat_groups.end(), "__metadata") == cat_groups.end());
 
   const std::vector<std::string> empty_categories;
   std::vector<std::string> included_categories;
   std::vector<std::string> excluded_categories;
 
   // Test that category filtering works.
 
   // Include nonexistent category -> no events
   Clear();
   included_categories.clear();
@@ skipping 874 matching lines @@
   EXPECT_TRUE(CategoryFilter::IsEmptyOrContainsLeadingOrTrailingWhitespace(
       "   bad_category   "));
   EXPECT_TRUE(CategoryFilter::IsEmptyOrContainsLeadingOrTrailingWhitespace(
       ""));
   EXPECT_FALSE(CategoryFilter::IsEmptyOrContainsLeadingOrTrailingWhitespace(
       "good_category"));
 }
 
 }  // namespace debug
 }  // namespace base