[inspector] Increased chances of successful InjectedScriptSource compilation

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

 // 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.
 
 #ifndef V8_INSPECTOR_V8INJECTEDSCRIPTHOST_H_
 #define V8_INSPECTOR_V8INJECTEDSCRIPTHOST_H_
 
 #include "include/v8.h"
 
 namespace v8_inspector {
 
 class V8InspectorImpl;
 
 // SECURITY NOTE: Although the InjectedScriptHost is intended for use solely by
 // the inspector,
 // a reference to the InjectedScriptHost may be leaked to the page being
 // inspected. Thus, the
 // InjectedScriptHost must never implemment methods that have more power over
 // the page than the
 // page already has itself (e.g. origin restriction bypasses).
 
 class V8InjectedScriptHost {
  public:
   // We expect that debugger outlives any JS context and thus
   // V8InjectedScriptHost (owned by JS)
   // is destroyed before inspector.
   static v8::Local<v8::Object> create(v8::Local<v8::Context>, V8InspectorImpl*);
 
  private:
+  static void nullifyPrototypeCallback(
+      const v8::FunctionCallbackInfo<v8::Value>&);
   static void internalConstructorNameCallback(
       const v8::FunctionCallbackInfo<v8::Value>&);
   static void formatAccessorsAsProperties(
       const v8::FunctionCallbackInfo<v8::Value>&);
   static void subtypeCallback(const v8::FunctionCallbackInfo<v8::Value>&);
   static void getInternalPropertiesCallback(
       const v8::FunctionCallbackInfo<v8::Value>&);
   static void objectHasOwnPropertyCallback(
       const v8::FunctionCallbackInfo<v8::Value>&);
   static void bindCallback(const v8::FunctionCallbackInfo<v8::Value>&);
   static void proxyTargetValueCallback(
       const v8::FunctionCallbackInfo<v8::Value>&);
 };
 
 }  // namespace v8_inspector
 
 #endif  // V8_INSPECTOR_V8INJECTEDSCRIPTHOST_H_