Introduce v8::CpuProfiler::New and v8::CpuProfiler::Dispose API.

src/api.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/api.h"
 
 #include <string.h>  // For memcpy, strlen.
 #ifdef V8_USE_ADDRESS_SANITIZER
 #include <sanitizer/asan_interface.h>
 #endif  // V8_USE_ADDRESS_SANITIZER
@@ skipping 8402 matching lines @@
 int64_t CpuProfile::GetEndTime() const {
   const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this);
   return (profile->end_time() - base::TimeTicks()).InMicroseconds();
 }
 
 
 int CpuProfile::GetSamplesCount() const {
   return reinterpret_cast<const i::CpuProfile*>(this)->samples_count();
 }
 
+CpuProfiler* CpuProfiler::New(Isolate* isolate) {
+  return reinterpret_cast<CpuProfiler*>(
+      new i::CpuProfiler(reinterpret_cast<i::Isolate*>(isolate)));
+}
+
+void CpuProfiler::Dispose() { delete reinterpret_cast<i::CpuProfiler*>(this); }
 
 void CpuProfiler::SetSamplingInterval(int us) {
   DCHECK_GE(us, 0);
   return reinterpret_cast<i::CpuProfiler*>(this)->set_sampling_interval(
       base::TimeDelta::FromMicroseconds(us));
 }
 
 void CpuProfiler::CollectSample() {
   reinterpret_cast<i::CpuProfiler*>(this)->CollectSample();
 }
@@ skipping 504 matching lines @@
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 }  // namespace internal
 }  // namespace v8