Replace ASSERT with DCHECK in core/

third_party/WebKit/Source/core/page/Page.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All
  * Rights Reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 111 matching lines @@
                            page_clients.chrome_client->IsSVGImageChromeClient()
                        ? UseCounter::kSVGImageContext
                        : UseCounter::kDefaultContext),
       opened_by_dom_(false),
       tab_key_cycles_through_elements_(true),
       suspended_(false),
       device_scale_factor_(1),
       visibility_state_(kPageVisibilityStateVisible),
       is_cursor_visible_(true),
       subframe_count_(0) {
-  ASSERT(editor_client_);
+  DCHECK(editor_client_);
 
-  ASSERT(!AllPages().Contains(this));
+  DCHECK(!AllPages().Contains(this));
   AllPages().insert(this);
 }
 
 Page::~Page() {
   // willBeDestroyed() must be called before Page destruction.
-  ASSERT(!main_frame_);
+  DCHECK(!main_frame_);
 }
 
 void Page::CloseSoon() {
   // Make sure this Page can no longer be found by JS.
   is_closing_ = true;
 
   // TODO(dcheng): Try to remove this in a followup, it's not obviously needed.
   if (main_frame_->IsLocalFrame())
     ToLocalFrame(main_frame_)->Loader().StopAllLoaders();
 
@@ skipping 496 matching lines @@
 }
 
 void Page::WillBeDestroyed() {
   Frame* main_frame = main_frame_;
 
   // TODO(sashab): Remove this check, the call to detach() here should always
   // work.
   if (main_frame->IsAttached())
     main_frame->Detach(FrameDetachType::kRemove);
 
-  ASSERT(AllPages().Contains(this));
+  DCHECK(AllPages().Contains(this));
   AllPages().erase(this);
   OrdinaryPages().erase(this);
 
   if (scrolling_coordinator_)
     scrolling_coordinator_->WillBeDestroyed();
 
   GetChromeClient().ChromeDestroyed();
   if (validation_message_client_)
     validation_message_client_->WillBeDestroyed();
   main_frame_ = nullptr;
 
   PageVisibilityNotifier::NotifyContextDestroyed();
 }
 
 Page::PageClients::PageClients()
     : chrome_client(nullptr),
       context_menu_client(nullptr),
       editor_client(nullptr),
       spell_checker_client(nullptr) {}
 
 Page::PageClients::~PageClients() {}
 
 template class CORE_TEMPLATE_EXPORT Supplement<Page>;
 
 }  // namespace blink