Port some AOM tests from LayoutTests to SimTests.

third_party/WebKit/Source/web/tests/VirtualTimeTest.cpp

 // Copyright 2016 The Chromium 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 "base/message_loop/message_loop.h"
 #include "core/dom/TaskRunnerHelper.h"
 #include "platform/testing/UnitTestHelpers.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebViewScheduler.h"
 #include "public/web/WebLocalFrame.h"
-#include "public/web/WebScriptExecutionCallback.h"
-#include "public/web/WebScriptSource.h"
 #include "public/web/WebView.h"
 #include "web/tests/sim/SimRequest.h"
 #include "web/tests/sim/SimTest.h"
 
 namespace blink {
 
-namespace {
-class ScriptExecutionCallbackHelper : public WebScriptExecutionCallback {
- public:
-  const String Result() const { return result_; }
-
- private:
-  void Completed(const WebVector<v8::Local<v8::Value>>& values) override {
-    if (!values.IsEmpty() && !values[0].IsEmpty() && values[0]->IsString()) {
-      result_ = ToCoreString(v8::Local<v8::String>::Cast(values[0]));
-    }
-  }
-
-  String result_;
-};
-}  // namespace
-
 class VirtualTimeTest : public SimTest {
  protected:
-  String ExecuteJavaScript(String script_source) {
-    ScriptExecutionCallbackHelper callback_helper;
-    WebView()
-        .MainFrame()
-        ->ToWebLocalFrame()
-        ->RequestExecuteScriptAndReturnValue(
-            WebScriptSource(WebString(script_source)), false, &callback_helper);
-    return callback_helper.Result();
-  }
-
   void TearDown() override {
     // The SimTest destructor calls runPendingTasks. This is a problem because
     // if there are any repeating tasks, advancing virtual time will cause the
     // runloop to busy loop. Disabling virtual time here fixes that.
     WebView().Scheduler()->DisableVirtualTimeForTesting();
   }
 };
 
 namespace {
 void QuitRunLoop() {
@@ skipping 171 matching lines @@
   // ALso schedule a second timer for the same point in time.
   ExecuteJavaScript("setTimeout(() => { run_order.push(2); }, 1000);");
 
   // The second DOM timer shouldn't have run because pausing virtual time also
   // atomically pauses DOM timers.
   testing::RunPendingTasks();
   EXPECT_EQ("1", ExecuteJavaScript("run_order.join(', ')"));
 }
 
 }  // namespace blink