[inspector] exposed builtins for injected script source

src/inspector/v8-injected-script-host.cc

 // Copyright 2015 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/inspector/v8-injected-script-host.h"
 
 #include "src/base/macros.h"
 #include "src/inspector/injected-script-native.h"
 #include "src/inspector/string-util.h"
 #include "src/inspector/v8-debugger.h"
@@ skipping 62 matching lines @@
                       V8InjectedScriptHost::getInternalPropertiesCallback,
                       debuggerExternal);
   setFunctionProperty(context, injectedScriptHost, "objectHasOwnProperty",
                       V8InjectedScriptHost::objectHasOwnPropertyCallback,
                       debuggerExternal);
   setFunctionProperty(context, injectedScriptHost, "bind",
                       V8InjectedScriptHost::bindCallback, debuggerExternal);
   setFunctionProperty(context, injectedScriptHost, "proxyTargetValue",
                       V8InjectedScriptHost::proxyTargetValueCallback,
                       debuggerExternal);
+  createDataProperty(context, injectedScriptHost,
+                     toV8StringInternalized(isolate, "keys"),
+                     v8::debug::GetBuiltin(isolate, v8::debug::kObjectKeys));
+  createDataProperty(
+      context, injectedScriptHost,
+      toV8StringInternalized(isolate, "getPrototypeOf"),
+      v8::debug::GetBuiltin(isolate, v8::debug::kObjectGetPrototypeOf));
+  createDataProperty(
+      context, injectedScriptHost,
+      toV8StringInternalized(isolate, "getOwnPropertyDescriptor"),
+      v8::debug::GetBuiltin(isolate,
+                            v8::debug::kObjectGetOwnPropertyDescriptor));
+  createDataProperty(
+      context, injectedScriptHost,
+      toV8StringInternalized(isolate, "getOwnPropertyNames"),
+      v8::debug::GetBuiltin(isolate, v8::debug::kObjectGetOwnPropertyNames));
+  createDataProperty(
+      context, injectedScriptHost,
+      toV8StringInternalized(isolate, "getOwnPropertySymbols"),
+      v8::debug::GetBuiltin(isolate, v8::debug::kObjectGetOwnPropertySymbols));
   return injectedScriptHost;
 }
 
 void V8InjectedScriptHost::nullifyPrototypeCallback(
     const v8::FunctionCallbackInfo<v8::Value>& info) {
   CHECK(info.Length() == 1 && info[0]->IsObject());
   v8::Isolate* isolate = info.GetIsolate();
   info[0]
       .As<v8::Object>()
       ->SetPrototype(isolate->GetCurrentContext(), v8::Null(isolate))
@@ skipping 213 matching lines @@
     UNREACHABLE();
     return;
   }
   v8::Local<v8::Object> target = info[0].As<v8::Proxy>();
   while (target->IsProxy())
     target = v8::Local<v8::Proxy>::Cast(target)->GetTarget();
   info.GetReturnValue().Set(target);
 }
 
 }  // namespace v8_inspector