Revert of [debugger] deprecate v8::Debug:GetDebugContext.

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 8809 matching lines @@
   RETURN_ON_FAILED_EXECUTION(Value);
   RETURN_ESCAPED(result);
 }
 
 void Debug::ProcessDebugMessages(Isolate* isolate) {
   reinterpret_cast<i::Isolate*>(isolate)->debug()->ProcessDebugMessages(true);
 }
 
 
 Local<Context> Debug::GetDebugContext(Isolate* isolate) {
-  return debug::GetDebugContext(isolate);
+  i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
+  ENTER_V8(i_isolate);
+  return Utils::ToLocal(i_isolate->debug()->GetDebugContext());
 }
 
 
 MaybeLocal<Context> Debug::GetDebuggedContext(Isolate* isolate) {
   i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
   ENTER_V8(i_isolate);
   if (!i_isolate->debug()->in_debug_scope()) return MaybeLocal<Context>();
   i::Handle<i::Object> calling = i_isolate->GetCallingNativeContext();
   if (calling.is_null()) return MaybeLocal<Context>();
   return Utils::ToLocal(i::Handle<i::Context>::cast(calling));
@@ skipping 32 matching lines @@
   i::HandleScope scope(i_isolate);
   i::Handle<i::Object> foreign = i_isolate->factory()->undefined_value();
   if (that != NULL) {
     foreign = i_isolate->factory()->NewForeign(FUNCTION_ADDR(that));
   }
   i_isolate->debug()->SetEventListener(foreign, Utils::OpenHandle(*data, true));
   return true;
 }
 
 Local<Context> debug::GetDebugContext(Isolate* isolate) {
-  i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
-  ENTER_V8(i_isolate);
-  return Utils::ToLocal(i_isolate->debug()->GetDebugContext());
+  return Debug::GetDebugContext(isolate);
 }
 
 MaybeLocal<Value> debug::Call(Local<Context> context,
                               v8::Local<v8::Function> fun,
                               v8::Local<v8::Value> data) {
   return Debug::Call(context, fun, data);
 }
 
 void debug::SetLiveEditEnabled(Isolate* isolate, bool enable) {
   Debug::SetLiveEditEnabled(isolate, enable);
@@ skipping 1008 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