[Tracing] Re-add trace-events used by metrics accidentally removed.

src/full-codegen/full-codegen.cc

 // Copyright 2012 the V8 project 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 "src/full-codegen/full-codegen.h"
 
 #include "src/ast/ast-numbering.h"
 #include "src/ast/ast.h"
 #include "src/ast/prettyprinter.h"
 #include "src/ast/scopes.h"
@@ skipping 38 matching lines @@
 }
 
 // static
 bool FullCodeGenerator::MakeCode(CompilationInfo* info, uintptr_t stack_limit) {
   Isolate* isolate = info->isolate();
 
   DCHECK(!FLAG_minimal);
   RuntimeCallTimerScope runtimeTimer(isolate,
                                      &RuntimeCallStats::CompileFullCode);
   TimerEventScope<TimerEventCompileFullCode> timer(info->isolate());
+  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"), "V8.CompileFullCode");
   TRACE_EVENT_RUNTIME_CALL_STATS_TRACING_SCOPED(
       isolate, &tracing::TraceEventStatsTable::CompileFullCode);
 
   Handle<Script> script = info->script();
   if (!script->IsUndefined(isolate) &&
       !script->source()->IsUndefined(isolate)) {
     int len = String::cast(script->source())->length();
     isolate->counters()->total_full_codegen_source_size()->Increment(len);
   }
   CodeGenerator::MakeCodePrologue(info, "full");
@@ skipping 1895 matching lines @@
   return var->scope()->is_nonlinear() ||
          var->initializer_position() >= proxy->position();
 }
 
 
 #undef __
 
 
 }  // namespace internal
 }  // namespace v8