Replace ASSERT with DCHECK in modules/

third_party/WebKit/Source/modules/presentation/Presentation.cpp

 // Copyright 2014 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 "modules/presentation/Presentation.h"
 
 #include "core/dom/Document.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
 #include "modules/presentation/PresentationController.h"
 #include "modules/presentation/PresentationReceiver.h"
 #include "modules/presentation/PresentationRequest.h"
 #include "platform/weborigin/KURL.h"
 #include "platform/wtf/Vector.h"
 
 namespace blink {
 
 Presentation::Presentation(LocalFrame* frame) : ContextClient(frame) {}
 
 // static
 Presentation* Presentation::Create(LocalFrame* frame) {
-  ASSERT(frame);
+  DCHECK(frame);
   Presentation* presentation = new Presentation(frame);
   PresentationController* controller = PresentationController::From(*frame);
-  ASSERT(controller);
+  DCHECK(controller);
   controller->SetPresentation(presentation);
   return presentation;
 }
 
 DEFINE_TRACE(Presentation) {
   visitor->Trace(default_request_);
   visitor->Trace(receiver_);
   ContextClient::Trace(visitor);
 }
 
@@ skipping 26 matching lines @@
     PresentationController* controller =
         PresentationController::From(*GetFrame());
     auto* client = controller ? controller->Client() : nullptr;
     receiver_ = new PresentationReceiver(GetFrame(), client);
   }
 
   return receiver_;
 }
 
 }  // namespace blink