[api,profiler] Introduce GetRetainerInfos callback for profiling

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 9725 matching lines @@
   reinterpret_cast<i::HeapProfiler*>(this)->DeleteAllSnapshots();
 }
 
 
 void HeapProfiler::SetWrapperClassInfoProvider(uint16_t class_id,
                                                WrapperInfoCallback callback) {
   reinterpret_cast<i::HeapProfiler*>(this)->DefineWrapperClass(class_id,
                                                                callback);
 }
 
+void HeapProfiler::SetGetRetainerInfosCallback(
+    GetRetainerInfosCallback callback) {
+  reinterpret_cast<i::HeapProfiler*>(this)->SetGetRetainerInfosCallback(
+      callback);
+}
 
 size_t HeapProfiler::GetProfilerMemorySize() {
   return reinterpret_cast<i::HeapProfiler*>(this)->
       GetMemorySizeUsedByProfiler();
 }
 
 
 void HeapProfiler::SetRetainedObjectInfo(UniqueId id,
                                          RetainedObjectInfo* info) {
   reinterpret_cast<i::HeapProfiler*>(this)->SetRetainedObjectInfo(id, info);
@@ skipping 240 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