Revert of Revert "Post loading tasks on the appropriate WebFrameScheduler's queue."

third_party/WebKit/Source/core/dom/ScriptRunnerTest.cpp

 // Copyright 2015 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 "config.h"
 #include "core/dom/ScriptRunner.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/dom/ScriptLoader.h"
@@ skipping 54 matching lines @@
 
 private:
     WebScheduler* m_webScheduler;
 };
 
 class MockWebTaskRunner : public WebTaskRunner {
 public:
     explicit MockWebTaskRunner(Deque<OwnPtr<WebTaskRunner::Task>>* tasks) : m_tasks(tasks) { }
     ~MockWebTaskRunner() override { }
 
-    virtual void postTask(const WebTraceLocation&, Task* task)
+    void postTask(const WebTraceLocation&, Task* task) override
     {
         m_tasks->append(adoptPtr(task));
     }
 
     void postDelayedTask(const WebTraceLocation&, Task* task, double delayMs) override
     {
         ASSERT_NOT_REACHED();
     }
 
+    WebTaskRunner* clone() override
+    {
+        ASSERT_NOT_REACHED();
+        return nullptr;
+    }
+
     Deque<OwnPtr<WebTaskRunner::Task>>* m_tasks; // NOT OWNED
 };
 
 class MockPlatform : public Platform, private WebScheduler {
 public:
     MockPlatform()
         : m_mockWebThread(this)
         , m_mockWebTaskRunner(&m_tasks)
         , m_shouldYield(false)
         , m_shouldYieldEveryOtherTime(false) { }
@@ skipping 477 matching lines @@
     testing::Mock::VerifyAndClear(scriptLoader2.get());
     testing::Mock::VerifyAndClear(scriptLoader3.get());
     EXPECT_CALL(*scriptLoader2, execute()).Times(1);
     EXPECT_CALL(*scriptLoader3, execute()).Times(1);
     EXPECT_CALL(*scriptLoader2, isReady()).WillRepeatedly(Return(true));
     EXPECT_CALL(*scriptLoader3, isReady()).WillRepeatedly(Return(true));
     m_platform.runAllTasks();
 }
 
 } // namespace blink