Replace ASSERT with DCHECK in core/

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

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 65 matching lines @@
                               bool& created) {
   Page* old_page = opener_frame.GetPage();
   if (!old_page)
     return nullptr;
 
   Page* page = old_page->GetChromeClient().CreateWindow(&opener_frame, request,
                                                         features, policy);
   if (!page)
     return nullptr;
 
-  ASSERT(page->MainFrame());
+  DCHECK(page->MainFrame());
   LocalFrame& frame = *ToLocalFrame(page->MainFrame());
 
   if (!EqualIgnoringASCIICase(request.FrameName(), "_blank"))
     frame.Tree().SetName(request.FrameName());
 
   page->GetChromeClient().SetWindowFeatures(features);
 
   // 'x' and 'y' specify the location of the window, while 'width' and 'height'
   // specify the size of the viewport. We can only resize the window, so adjust
   // for the difference between the window size and the viewport size.
@@ skipping 79 matching lines @@
 }
 
 DOMWindow* CreateWindow(const String& url_string,
                         const AtomicString& frame_name,
                         const WindowFeatures& window_features,
                         LocalDOMWindow& calling_window,
                         LocalFrame& first_frame,
                         LocalFrame& opener_frame,
                         ExceptionState& exception_state) {
   LocalFrame* active_frame = calling_window.GetFrame();
-  ASSERT(active_frame);
+  DCHECK(active_frame);
 
   KURL completed_url = url_string.IsEmpty()
                            ? KURL(kParsedURLString, g_empty_string)
                            : first_frame.GetDocument()->CompleteURL(url_string);
   if (!completed_url.IsEmpty() && !completed_url.IsValid()) {
     UseCounter::Count(active_frame, UseCounter::kWindowOpenWithInvalidURL);
     exception_state.ThrowDOMException(
         kSyntaxError, "Unable to open a window with invalid URL '" +
                           completed_url.GetString() + "'.\n");
     return nullptr;
@@ skipping 96 matching lines @@
   }
 
   // TODO(japhet): Form submissions on RemoteFrames don't work yet.
   FrameLoadRequest new_request(0, request.GetResourceRequest());
   new_request.SetForm(request.Form());
   if (new_frame->IsLocalFrame())
     ToLocalFrame(new_frame)->Loader().Load(new_request);
 }
 
 }  // namespace blink