[inspector] Add some context scopes to inspector code

src/inspector/v8-function-call.cc

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 57 matching lines @@
                                           bool reportExceptions) {
   v8::TryCatch tryCatch(m_context->GetIsolate());
   tryCatch.SetVerbose(reportExceptions);
 
   v8::Local<v8::Value> result = callWithoutExceptionHandling();
   hadException = tryCatch.HasCaught();
   return result;
 }
 
 v8::Local<v8::Value> V8FunctionCall::callWithoutExceptionHandling() {
+  v8::Context::Scope contextScope(m_context);
+
   v8::Local<v8::Object> thisObject = v8::Local<v8::Object>::Cast(m_value);
   v8::Local<v8::Value> value;
   if (!thisObject->Get(m_context, m_name).ToLocal(&value))
     return v8::Local<v8::Value>();
 
   DCHECK(value->IsFunction());
 
   v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(value);
   std::unique_ptr<v8::Local<v8::Value>[]> info(
       new v8::Local<v8::Value>[m_arguments.size()]);
@@ skipping 15 matching lines @@
     m_inspector->client()->unmuteMetrics(contextGroupId);
     m_inspector->unmuteExceptions(contextGroupId);
   }
 
   v8::Local<v8::Value> result;
   if (!maybeResult.ToLocal(&result)) return v8::Local<v8::Value>();
   return result;
 }
 
 }  // namespace v8_inspector