[inspector] added inspector test runner [part 3]

test/inspector-protocol/task-runner.cc

 // Copyright 2016 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 "test/inspector-protocol/task-runner.h"
 
 namespace {
 
 const int kTaskRunnerIndex = 2;
 
@@ skipping 123 matching lines @@
           .ToLocalChecked();
 
   v8::ScriptCompiler::Source scriptSource(source, origin);
   v8::Local<v8::Script> script;
   if (!v8::ScriptCompiler::Compile(local_context, &scriptSource)
            .ToLocal(&script))
     return;
   v8::MaybeLocal<v8::Value> result;
   result = script->Run(local_context);
 }
-
-// main to make compiler happy before other patch will be landed.
-int main(int argc, char* argv[]) { return 0; }