Expose TickSample and its APIs in v8-profiler.h

test/cctest/trace-extension.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
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 // modification, are permitted provided that the following conditions are
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 //
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 #include "test/cctest/trace-extension.h"
 
-#include "src/profiler/tick-sample.h"
+#include "include/v8-profiler.h"
 #include "src/vm-state-inl.h"
 #include "test/cctest/cctest.h"
 
 namespace v8 {
 namespace internal {
 
 const char* TraceExtension::kSource =
     "native function trace();"
     "native function js_trace();"
     "native function js_entry_sp();"
@@ skipping 42 matching lines @@
   int64_t low_bits = *reinterpret_cast<uint64_t*>(*args[0]) >> 32;
   int64_t high_bits = *reinterpret_cast<uint64_t*>(*args[1]);
   Address fp = reinterpret_cast<Address>(high_bits | low_bits);
 #else
 #error Host architecture is neither 32-bit nor 64-bit.
 #endif
   printf("Trace: %p\n", static_cast<void*>(fp));
   return fp;
 }
 
+static struct { v8::TickSample* sample; } trace_env = {nullptr};
 
-static struct {
-  TickSample* sample;
-} trace_env = { NULL };
-
-
-void TraceExtension::InitTraceEnv(TickSample* sample) {
+void TraceExtension::InitTraceEnv(v8::TickSample* sample) {
   trace_env.sample = sample;
 }
 
 
 void TraceExtension::DoTrace(Address fp) {
   RegisterState regs;
   regs.fp = fp;
   // sp is only used to define stack high bound
   regs.sp =
       reinterpret_cast<Address>(trace_env.sample) - 10240;
-  trace_env.sample->Init(CcTest::i_isolate(), regs,
-                         TickSample::kSkipCEntryFrame, true);
+  trace_env.sample->Init(CcTest::isolate(), regs,
+                         v8::TickSample::kSkipCEntryFrame, true);
 }
 
 
 void TraceExtension::Trace(const v8::FunctionCallbackInfo<v8::Value>& args) {
   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(args.GetIsolate());
   i::VMState<EXTERNAL> state(isolate);
   Address address = reinterpret_cast<Address>(
       reinterpret_cast<intptr_t>(&TraceExtension::Trace));
   i::ExternalCallbackScope call_scope(isolate, address);
   DoTrace(GetFP(args));
@@ skipping 39 matching lines @@
   v8::HandleScope scope(args.GetIsolate());
   const Address js_entry_sp = GetJsEntrySp();
   CHECK(js_entry_sp);
   CompileRun("js_entry_sp();");
   CHECK_EQ(js_entry_sp, GetJsEntrySp());
 }
 
 
 }  // namespace internal
 }  // namespace v8