Expose TickSample and its APIs in v8-profiler.h

src/profiler/simulator-helper.h

 // Copyright 2013 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.
 
-#ifndef V8_CRANKSHAFT_HYDROGEN_CANONICALIZE_H_
-#define V8_CRANKSHAFT_HYDROGEN_CANONICALIZE_H_
+#ifndef V8_PROFILER_SIMULATOR_HELPER_H_

[alph, 2016/06/28 22:09:01]

weird diff. Could you please play with --similarity

[lpy, 2016/06/28 23:02:53]

Done.

+#define V8_PROFILER_SIMULATOR_HELPER_H_
 
-#include "src/crankshaft/hydrogen.h"
+#include "src/globals.h"
 
 namespace v8 {
+
+struct RegisterState;
+
 namespace internal {
 
+class Isolate;
 
-class HCanonicalizePhase : public HPhase {
+#if defined(USE_SIMULATOR)
+class SimulatorHelper {
  public:
-  explicit HCanonicalizePhase(HGraph* graph)
-      : HPhase("H_Canonicalize", graph) { }
-
-  void Run();
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(HCanonicalizePhase);
+  // Returns true if register values were successfully retrieved
+  // from the simulator, otherwise returns false.
+  static bool FillRegisters(Isolate* isolate, v8::RegisterState* state);
 };
-
+#endif  // USE_SIMULATOR
 
 }  // namespace internal
 }  // namespace v8
 
-#endif  // V8_CRANKSHAFT_HYDROGEN_CANONICALIZE_H_
+#endif  // V8_PROFILER_SIMULATOR_HELPER_H_