[tools/perf] Add CodeAndMetadata metrics to v8_browsing benchmarks and add Ignition variants

gin/v8_isolate_memory_dump_provider.cc

 // Copyright 2015 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 "gin/v8_isolate_memory_dump_provider.h"
 
 #include <inttypes.h>
 #include <stddef.h>
 
 #include "base/strings/stringprintf.h"
@@ skipping 162 matching lines @@
   if (system_allocator_name) {
     process_memory_dump->AddSuballocation(malloc_dump->guid(),
                                           system_allocator_name);
   }
 
   // Add an empty row for the heap_spaces. This is to keep the shape of the
   // dump stable, whether code stats are enabled or not.
   auto* heap_spaces_dump =
       process_memory_dump->CreateAllocatorDump(space_name_prefix);
 
+  // Dump statistics related to code and bytecode if requested.
+  DumpCodeStatistics(heap_spaces_dump, isolate_holder_);
+
   // Dump object statistics only for detailed dumps.
   if (args.level_of_detail !=
       base::trace_event::MemoryDumpLevelOfDetail::DETAILED) {
     return;
   }
 
   // Dump statistics of the heap's live objects from last GC.
   // TODO(primiano): these should not be tracked in the same trace event as they
   // report stats for the last GC (not the current state). See crbug.com/498779.
   std::string object_name_prefix = dump_base_name + "/heap_objects_at_last_gc";
@@ skipping 30 matching lines @@
         object_name_prefix + "/CODE_TYPE/CODE_AGE");
     process_memory_dump->AddOwnershipEdge(code_kind_dump->guid(),
                                           code_age_dump->guid());
   }
 
   if (did_dump_object_stats) {
     process_memory_dump->AddOwnershipEdge(
         process_memory_dump->CreateAllocatorDump(object_name_prefix)->guid(),
         heap_spaces_dump->guid());
   }
-
-  // Dump statistics related to code and bytecode if requested.
-  DumpCodeStatistics(heap_spaces_dump, isolate_holder_);
 }
 
 }  // namespace gin