C++ profiles processor: align browser mode with the old implementation, sample VM state.

src/cpu-profiler-inl.h

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 47 matching lines @@
 }
 
 
 TickSample* ProfilerEventsProcessor::TickSampleEvent() {
   TickSampleEventRecord* evt =
       TickSampleEventRecord::cast(ticks_buffer_.Enqueue());
   evt->order = enqueue_order_;  // No increment!
   return &evt->sample;
 }
 
+
+bool ProfilerEventsProcessor::FilterOutCodeCreateEvent(
+    Logger::LogEventsAndTags tag) {
+  // In browser mode, leave only callbacks and non-native JS entries.
+  // We filter out regular expressions as currently we can't tell
+  // whether they origin from native scripts, so let's not confise people by
+  // showing them weird regexes they didn't wrote.
+  return FLAG_prof_browser_mode
+      && (tag != Logger::CALLBACK_TAG
+          && tag != Logger::FUNCTION_TAG
+          && tag != Logger::LAZY_COMPILE_TAG
+          && tag != Logger::SCRIPT_TAG);
+}
+
 } }  // namespace v8::internal
 
 #endif  // ENABLE_CPP_PROFILES_PROCESSOR
 
 #endif  // V8_CPU_PROFILER_INL_H_