Make test_runner::WebTask an internal detail of components/test_runner.

content/shell/renderer/layout_test/blink_test_runner.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_SHELL_RENDERER_LAYOUT_TEST_BLINK_TEST_RUNNER_H_
 #define CONTENT_SHELL_RENDERER_LAYOUT_TEST_BLINK_TEST_RUNNER_H_
 
 #include <deque>
 #include <vector>
 
@@ skipping 53 matching lines @@
   // WebTestDelegate implementation.
   void ClearEditCommand() override;
   void SetEditCommand(const std::string& name,
                       const std::string& value) override;
   void SetGamepadProvider(test_runner::GamepadController* controller) override;
   void SetDeviceLightData(const double data) override;
   void SetDeviceMotionData(const blink::WebDeviceMotionData& data) override;
   void SetDeviceOrientationData(
       const blink::WebDeviceOrientationData& data) override;
   void PrintMessage(const std::string& message) override;
-  void PostTask(test_runner::WebTask* task) override;
-  void PostDelayedTask(test_runner::WebTask* task, long long ms) override;
+  void PostTask(blink::WebTaskRunner::Task* task) override;
+  void PostDelayedTask(blink::WebTaskRunner::Task* task, long long ms) override;
   blink::WebString RegisterIsolatedFileSystem(
       const blink::WebVector<blink::WebString>& absolute_filenames) override;
   long long GetCurrentTimeInMillisecond() override;
   blink::WebString GetAbsoluteWebStringFromUTF8Path(
       const std::string& utf8_path) override;
   blink::WebURL LocalFileToDataURL(const blink::WebURL& file_url) override;
   blink::WebURL RewriteLayoutTestsURL(const std::string& utf8_url) override;
   test_runner::TestPreferences* Preferences() override;
   void ApplyPreferences() override;
   virtual std::string makeURLErrorDescription(const blink::WebURLError& error);
@@ skipping 124 matching lines @@
   bool focus_on_next_commit_;
 
   scoped_ptr<LeakDetector> leak_detector_;
 
   DISALLOW_COPY_AND_ASSIGN(BlinkTestRunner);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_RENDERER_LAYOUT_TEST_BLINK_TEST_RUNNER_H_