Added a module for the Presentation API under public/platform

Source/modules/presentation/PresentationController.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 "modules/presentation/PresentationController.h"
 
 #include "core/frame/LocalFrame.h"
-#include "public/platform/WebPresentationClient.h"
-#include "public/platform/WebPresentationController.h"
+#include "public/platform/modules/presentation/WebPresentationClient.h"
 
 namespace blink {
 
 PresentationController::PresentationController(LocalFrame& frame, WebPresentationClient* client)
     : FrameDestructionObserver(&frame)
     , m_client(client)
 {
     if (m_client)
         m_client->setController(this);
 }
@@ skipping 61 matching lines @@
 
 void PresentationController::willDetachFrameHost()
 {
     if (m_client) {
         m_client->setController(nullptr);
         m_client = nullptr;
     }
 }
 
 } // namespace blink