[Device Service] Move Gamepad Blink headers to be part of the Gamepad client library

content/shell/renderer/layout_test/blink_test_runner.cc

 // 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.
 
 #include "content/shell/renderer/layout_test/blink_test_runner.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <clocale>
@@ skipping 143 matching lines @@
 
 class MockGamepadProvider : public RendererGamepadProvider {
  public:
   explicit MockGamepadProvider(test_runner::GamepadController* controller)
       : RendererGamepadProvider(nullptr), controller_(controller) {}
   ~MockGamepadProvider() override {
     StopIfObserving();
   }
 
   // RendererGamepadProvider implementation.
-  void SampleGamepads(blink::WebGamepads& gamepads) override {
+  void SampleGamepads(device::Gamepads& gamepads) override {
     controller_->SampleGamepads(gamepads);
   }
   void Start(blink::WebPlatformEventListener* listener) override {
     controller_->SetListener(static_cast<blink::WebGamepadListener*>(listener));
     RendererGamepadProvider::Start(listener);
   }
   void SendStartMessage() override {}
   void SendStopMessage() override {}
 
  private:
@@ skipping 883 matching lines @@
 void BlinkTestRunner::ReportLeakDetectionResult(
     const LeakDetectionResult& report) {
   Send(new ShellViewHostMsg_LeakDetectionDone(routing_id(), report));
 }
 
 void BlinkTestRunner::OnDestruct() {
   delete this;
 }
 
 }  // namespace content