Initial implementation of GetStackSample sampling profiler API.

test/cctest/test-api.cc

 // Copyright 2012 the V8 project authors. 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
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 916 matching lines @@
   rv.Set(true);
   CHECK(!(*o)->IsTheHole() && !(*o)->IsUndefined());
   rv.Set(v8::Handle<v8::Object>());
   CHECK((*o)->IsTheHole() || (*o)->IsUndefined());
   CHECK_EQ(is_runtime, (*o)->IsTheHole());
 
   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(t.GetIsolate());
   // If CPU profiler is active check that when API callback is invoked
   // VMState is set to EXTERNAL.
   if (isolate->cpu_profiler()->is_profiling()) {
-    CHECK_EQ(i::EXTERNAL, isolate->current_vm_state());
+    CHECK_EQ(v8::EXTERNAL, isolate->current_vm_state());
     CHECK(isolate->external_callback_scope());
     CHECK_EQ(callback, isolate->external_callback_scope()->callback());
   }
 }
 
 
 static void handle_callback_impl(const v8::FunctionCallbackInfo<Value>& info,
                                  i::Address callback) {
   ApiTestFuzzer::Fuzz();
   CheckReturnValue(info, callback);
@@ skipping 22379 matching lines @@
   // TestSourceStream::GetMoreData won't block, so it's OK to just run the
   // task here in the main thread.
   task->Run();
   delete task;
 
   const v8::ScriptCompiler::CachedData* cached_data = source.GetCachedData();
   CHECK(cached_data != NULL);
   CHECK(cached_data->data != NULL);
   CHECK_GT(cached_data->length, 0);
 }