[inspector] move console to builtins

src/isolate.h

Index: src/isolate.h
diff --git a/src/isolate.h b/src/isolate.h
index 471cf2f4afa507799de0d77704f0e57ddfb7b49b..d6d58b484bf6783cc2ee5bccb938f908022653d7 100644
--- a/src/isolate.h
+++ b/src/isolate.h
@@ -34,6 +34,10 @@ namespace base {
 class RandomNumberGenerator;
 }
 
+namespace debug {
+class ConsoleDelegate;
+}
+
 namespace internal {
 
 class AccessCompilerData;
@@ -749,6 +753,11 @@ class Isolate {
     return MaybeHandle<T>();
   }
 
+  void set_console_delegate(debug::ConsoleDelegate* delegate) {
+    console_delegate_ = delegate;
+  }
+  debug::ConsoleDelegate* console_delegate() { return console_delegate_; }
+
   // Re-throw an exception.  This involves no error reporting since error
   // reporting was handled when the exception was thrown originally.
   Object* ReThrow(Object* exception);
@@ -1552,6 +1561,8 @@ class Isolate {
 
   CancelableTaskManager* cancelable_task_manager_;
 
+  debug::ConsoleDelegate* console_delegate_ = nullptr;
+
   v8::Isolate::AbortOnUncaughtExceptionCallback
       abort_on_uncaught_exception_callback_;