Split TickSample and Sampler.

test/cctest/test-log-stack-tracer.cc

 // Copyright 2011 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 18 matching lines @@
 
 #include <stdlib.h>
 
 #include "src/v8.h"
 
 #include "src/api.h"
 #include "src/codegen.h"
 #include "src/disassembler.h"
 #include "src/isolate.h"
 #include "src/log.h"
-#include "src/profiler/sampler.h"
+#include "src/profiler/tick-sample.h"
 #include "src/vm-state-inl.h"
 #include "test/cctest/cctest.h"
 #include "test/cctest/trace-extension.h"
 
 using v8::Function;
 using v8::Local;
 using v8::Object;
 using v8::Script;
 using v8::String;
 using v8::Value;
@@ skipping 241 matching lines @@
   v8::Local<v8::Context> context = CcTest::NewContext(TRACE_EXTENSION);
   v8::Context::Scope context_scope(context);
   CHECK(!i::TraceExtension::GetJsEntrySp());
   CompileRun("a = 1; b = a + 1;");
   CHECK(!i::TraceExtension::GetJsEntrySp());
   CompileRun("js_entry_sp();");
   CHECK(!i::TraceExtension::GetJsEntrySp());
   CompileRun("js_entry_sp_level2();");
   CHECK(!i::TraceExtension::GetJsEntrySp());
 }