[inspector] always include user scripts in the snapshot.

test/inspector/inspector-test.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.
 
 #if !defined(_WIN32) && !defined(_WIN64)
 #include <unistd.h>  // NOLINT
 #endif               // !defined(_WIN32) && !defined(_WIN64)
 
 #include <locale.h>
 
@@ skipping 571 matching lines @@
 int main(int argc, char* argv[]) {
   v8::V8::InitializeICUDefaultLocation(argv[0]);
   v8::Platform* platform = v8::platform::CreateDefaultPlatform();
   v8::V8::InitializePlatform(platform);
   v8::V8::SetFlagsFromCommandLine(&argc, argv, true);
   v8::V8::InitializeExternalStartupData(argv[0]);
   v8::V8::Initialize();
 
   v8::base::Semaphore ready_semaphore(0);
 
+  v8::StartupData startup_data = {nullptr, 0};
+  for (int i = 1; i < argc; ++i) {
+    if (strcmp(argv[i], "--embed") == 0) {
+      argv[i++] = nullptr;
+      printf("Embedding script '%s'\n", argv[i]);
+      startup_data = v8::V8::CreateSnapshotDataBlob(argv[i]);
+      argv[i] = nullptr;
+    }
+  }
+
   TaskRunner::SetupGlobalTasks backend_extensions;
   backend_extensions.emplace_back(new SetTimeoutExtension());
   backend_extensions.emplace_back(new InspectorExtension());
   TaskRunner backend_runner(std::move(backend_extensions), false,
-                            &ready_semaphore);
+                            &ready_semaphore,
+                            startup_data.data ? &startup_data : nullptr);
   ready_semaphore.Wait();
   SendMessageToBackendExtension::set_backend_task_runner(&backend_runner);
   UtilsExtension::set_backend_task_runner(&backend_runner);
 
   TaskRunner::SetupGlobalTasks frontend_extensions;
   frontend_extensions.emplace_back(new UtilsExtension());
   frontend_extensions.emplace_back(new SendMessageToBackendExtension());
   TaskRunner frontend_runner(std::move(frontend_extensions), true,
-                             &ready_semaphore);
+                             &ready_semaphore, nullptr);
   ready_semaphore.Wait();
 
   FrontendChannelImpl frontend_channel(&frontend_runner);
   InspectorClientImpl inspector_client(&backend_runner, &frontend_channel,
                                        &ready_semaphore);
   ready_semaphore.Wait();
   UtilsExtension::set_inspector_client(&inspector_client);
 
   task_runners.push_back(&frontend_runner);
   task_runners.push_back(&backend_runner);
 
   for (int i = 1; i < argc; ++i) {
     // Ignore unknown flags.
-    if (argv[i][0] == '-') continue;
+    if (argv[i] == nullptr || argv[i][0] == '-') continue;
 
     bool exists = false;
     v8::internal::Vector<const char> chars =
         v8::internal::ReadFile(argv[i], &exists, true);
     if (!exists) {
       fprintf(stderr, "Internal error: script file doesn't exists: %s\n",
               argv[i]);
       Exit();
     }
     frontend_runner.Append(new ExecuteStringTask(chars));
   }
 
   frontend_runner.Join();
   backend_runner.Join();
+
+  delete startup_data.data;
   return 0;
 }