Allow nested compile-script histogram scopes.

src/compiler.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/v8.h"
 
 #include "src/compiler.h"
 
 #include "src/ast-numbering.h"
 #include "src/ast-this-access-visitor.h"
@@ skipping 1245 matching lines @@
       shared_info, context, NOT_TENURED);
 }
 
 
 Handle<SharedFunctionInfo> Compiler::CompileScript(
     Handle<String> source, Handle<Object> script_name, int line_offset,
     int column_offset, bool is_shared_cross_origin, Handle<Context> context,
     v8::Extension* extension, ScriptData** cached_data,
     ScriptCompiler::CompileOptions compile_options, NativesFlag natives) {
   Isolate* isolate = source->GetIsolate();
-  HistogramTimerScope total(isolate->counters()->compile_script());
+  HistogramTimerScope total(isolate->counters()->compile_script(), true);
 
   if (compile_options == ScriptCompiler::kNoCompileOptions) {
     cached_data = NULL;
   } else if (compile_options == ScriptCompiler::kProduceParserCache ||
              compile_options == ScriptCompiler::kProduceCodeCache) {
     DCHECK(cached_data && !*cached_data);
     DCHECK(extension == NULL);
     DCHECK(!isolate->debug()->is_loaded());
   } else {
     DCHECK(compile_options == ScriptCompiler::kConsumeParserCache ||
@@ skipping 302 matching lines @@
   AllowHandleDereference allow_deref;
   bool tracing_on = info()->IsStub()
       ? FLAG_trace_hydrogen_stubs
       : (FLAG_trace_hydrogen &&
          info()->closure()->PassesFilter(FLAG_trace_hydrogen_filter));
   return (tracing_on &&
       base::OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL);
 }
 
 } }  // namespace v8::internal