Remove usage of to-be-deprecated APIs from v8 core

src/extensions/statistics-extension.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/extensions/statistics-extension.h"
 
 namespace v8 {
 namespace internal {
 
 const char* const StatisticsExtension::kSource =
     "native function getV8Statistics();";
 
 
 v8::Handle<v8::FunctionTemplate> StatisticsExtension::GetNativeFunctionTemplate(
     v8::Isolate* isolate,
     v8::Handle<v8::String> str) {
   DCHECK(strcmp(*v8::String::Utf8Value(str), "getV8Statistics") == 0);
   return v8::FunctionTemplate::New(isolate, StatisticsExtension::GetCounters);
 }
 
 
 static void AddCounter(v8::Isolate* isolate,
                        v8::Local<v8::Object> object,
                        StatsCounter* counter,
                        const char* name) {
   if (counter->Enabled()) {
-    object->Set(v8::String::NewFromUtf8(isolate, name),
-                v8::Number::New(isolate, *counter->GetInternalPointer()));
+    object->Set(isolate->GetCurrentContext(),
+                v8::String::NewFromUtf8(isolate, name, NewStringType::kNormal)
+                    .ToLocalChecked(),
+                v8::Number::New(isolate, *counter->GetInternalPointer()))
+        .FromJust();
   }
 }
 
 static void AddNumber(v8::Isolate* isolate,
                       v8::Local<v8::Object> object,
                       intptr_t value,
                       const char* name) {
-  object->Set(v8::String::NewFromUtf8(isolate, name),
-              v8::Number::New(isolate, static_cast<double>(value)));
+  object->Set(isolate->GetCurrentContext(),
+              v8::String::NewFromUtf8(isolate, name, NewStringType::kNormal)
+                  .ToLocalChecked(),
+              v8::Number::New(isolate, static_cast<double>(value))).FromJust();
 }
 
 
 static void AddNumber64(v8::Isolate* isolate,
                         v8::Local<v8::Object> object,
                         int64_t value,
                         const char* name) {
-  object->Set(v8::String::NewFromUtf8(isolate, name),
-              v8::Number::New(isolate, static_cast<double>(value)));
+  object->Set(isolate->GetCurrentContext(),
+              v8::String::NewFromUtf8(isolate, name, NewStringType::kNormal)
+                  .ToLocalChecked(),
+              v8::Number::New(isolate, static_cast<double>(value))).FromJust();
 }
 
 
 void StatisticsExtension::GetCounters(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
   Isolate* isolate = reinterpret_cast<Isolate*>(args.GetIsolate());
   Heap* heap = isolate->heap();
 
   if (args.Length() > 0) {  // GC if first argument evaluates to true.
     if (args[0]->IsBoolean() &&
-        args[0]->ToBoolean(args.GetIsolate())->Value()) {
+        args[0]
+            ->BooleanValue(args.GetIsolate()->GetCurrentContext())
+            .FromMaybe(false)) {
       heap->CollectAllGarbage(Heap::kNoGCFlags, "counters extension");
     }
   }
 
   Counters* counters = isolate->counters();
   v8::Local<v8::Object> result = v8::Object::New(args.GetIsolate());
 
   struct StatisticsCounter {
     v8::internal::StatsCounter* counter;
     const char* name;
@@ skipping 56 matching lines @@
   }
 
   AddNumber64(args.GetIsolate(), result,
               heap->amount_of_external_allocated_memory(),
               "amount_of_external_allocated_memory");
   args.GetReturnValue().Set(result);
 }
 
 }  // namespace internal
 }  // namespace v8