Revert of [profiler] Update cpu profile tracing format.

test/cctest/test-cpu-profiler.cc

 // 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 2093 matching lines @@
 
 using v8::platform::tracing::TraceBuffer;
 using v8::platform::tracing::TraceConfig;
 using v8::platform::tracing::TraceObject;
 
 namespace {
 
 class CpuProfileEventChecker : public v8::platform::tracing::TraceWriter {
  public:
   void AppendTraceEvent(TraceObject* trace_event) override {
-    if (trace_event->name() != std::string("Profile") &&
-        trace_event->name() != std::string("ProfileChunk"))
+    if (trace_event->name() != std::string("CpuProfile") &&
+        trace_event->name() != std::string("CpuProfileChunk"))
       return;
     CHECK(!profile_id_ || trace_event->id() == profile_id_);
     CHECK_EQ(1, trace_event->num_args());
     CHECK_EQ(TRACE_VALUE_TYPE_CONVERTABLE, trace_event->arg_types()[0]);
     profile_id_ = trace_event->id();
     v8::ConvertableToTraceFormat* arg =
         trace_event->arg_convertables()[0].get();
     arg->AppendAsTraceFormat(&result_json_);
   }
   void Flush() override {}
@@ skipping 44 matching lines @@
   printf("Profile JSON: %s\n", profile_json.c_str());
   std::string code = profile_checker + profile_json + ")";
   v8::Local<v8::Value> result =
       CompileRunChecked(CcTest::isolate(), code.c_str());
   v8::String::Utf8Value value(result);
   printf("Check result: %*s\n", value.length(), *value);
   CHECK_EQ(0, value.length());
 
   i::V8::SetPlatformForTesting(old_platform);
 }