Expose TickSample and its APIs in v8-profiler.h

src/profiler/cpu-profiler.cc

Index: src/profiler/cpu-profiler.cc
diff --git a/src/profiler/cpu-profiler.cc b/src/profiler/cpu-profiler.cc
index 42b5fdf31dcfb9c396fe2d09bd79342ce8822188..5b960fab0097609373f874e18ea253b071520fd1 100644
--- a/src/profiler/cpu-profiler.cc
+++ b/src/profiler/cpu-profiler.cc
@@ -12,8 +12,6 @@
 #include "src/profiler/cpu-profiler-inl.h"
 #include "src/vm-state-inl.h"
 
-#include "include/v8-profiler.h"
-
 namespace v8 {
 namespace internal {
 
@@ -49,7 +47,11 @@ void ProfilerEventsProcessor::AddDeoptStack(Isolate* isolate, Address from,
   regs.sp = fp - fp_to_sp_delta;
   regs.fp = fp;
   regs.pc = from;
-  record.sample.Init(isolate, regs, TickSample::kSkipCEntryFrame, false);
+  record.sample.Init(reinterpret_cast<v8::Isolate*>(isolate), regs,
+                     TickSample::kSkipCEntryFrame, false);
+  record.timestamp = record.sample.pc == nullptr
+                         ? base::TimeTicks()
+                         : base::TimeTicks::HighResolutionNow();
   ticks_from_vm_buffer_.Enqueue(record);
 }
 
@@ -64,7 +66,11 @@ void ProfilerEventsProcessor::AddCurrentStack(Isolate* isolate,
     regs.fp = frame->fp();
     regs.pc = frame->pc();
   }
-  record.sample.Init(isolate, regs, TickSample::kSkipCEntryFrame, update_stats);
+  record.sample.Init(reinterpret_cast<v8::Isolate*>(isolate), regs,
+                     TickSample::kSkipCEntryFrame, update_stats);
+  record.timestamp = record.sample.pc == nullptr
+                         ? base::TimeTicks()
+                         : base::TimeTicks::HighResolutionNow();
   ticks_from_vm_buffer_.Enqueue(record);
 }
 
@@ -102,7 +108,7 @@ ProfilerEventsProcessor::SampleProcessingResult
       (record1.order == last_processed_code_event_id_)) {
     TickSampleEventRecord record;
     ticks_from_vm_buffer_.Dequeue(&record);
-    generator_->RecordTickSample(record.sample);
+    generator_->RecordTickSample(record.sample, record.timestamp);
     return OneSampleProcessed;
   }
 
@@ -114,7 +120,7 @@ ProfilerEventsProcessor::SampleProcessingResult
   if (record->order != last_processed_code_event_id_) {
     return FoundSampleForNextCodeEvent;
   }
-  generator_->RecordTickSample(record->sample);
+  generator_->RecordTickSample(record->sample, record->timestamp);
   ticks_buffer_.Remove();
   return OneSampleProcessed;
 }