Clean up remaining uses of ASSERT in core

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

 /*
  * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Antonio Gomes <tonikitoo@webkit.org>
  *
  * All rights reserved.
  *
  * 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
@@ skipping 231 matching lines @@
     int dy = 0;
     // TODO(leviw): Why are these values truncated (toInt) instead of rounding?
     FrameView* frame_view = container->GetDocument().View();
     int pixels_per_line_step = ScrollableArea::PixelsPerLineStep(
         frame_view ? frame_view->GetChromeClient() : nullptr);
     switch (type) {
       case kWebFocusTypeLeft:
         dx = -pixels_per_line_step;
         break;
       case kWebFocusTypeRight:
-        ASSERT(container->GetLayoutBox()->ScrollWidth() >
-               (container->GetLayoutBox()->ScrollLeft() +
-                container->GetLayoutBox()->ClientWidth()));
+        DCHECK_GT(container->GetLayoutBox()->ScrollWidth(),
+                  (container->GetLayoutBox()->ScrollLeft() +
+                   container->GetLayoutBox()->ClientWidth()));
         dx = pixels_per_line_step;
         break;
       case kWebFocusTypeUp:
         dy = -pixels_per_line_step;
         break;
       case kWebFocusTypeDown:
-        ASSERT(container->GetLayoutBox()->ScrollHeight() -
+        DCHECK(container->GetLayoutBox()->ScrollHeight() -
                (container->GetLayoutBox()->ScrollTop() +
                 container->GetLayoutBox()->ClientHeight()));
         dy = pixels_per_line_step;
         break;
       default:
         NOTREACHED();
         return false;
     }
 
     container->GetLayoutBox()->ScrollByRecursively(ScrollOffset(dx, dy));
@@ skipping 129 matching lines @@
         LayoutObject* layout_object = element->GetLayoutObject();
         element = layout_object ? layout_object->OffsetParent() : nullptr;
       } while (element);
       rect.Move((-ToLocalFrame(frame)->View()->ScrollOffsetInt()));
     }
   }
   return rect;
 }
 
 LayoutRect NodeRectInAbsoluteCoordinates(Node* node, bool ignore_border) {
-  ASSERT(node && node->GetLayoutObject() &&
-         !node->GetDocument().View()->NeedsLayout());
+  DCHECK(node);
+  DCHECK(node->GetLayoutObject());
+  DCHECK(!node->GetDocument().View()->NeedsLayout());
 
   if (node->IsDocumentNode())
     return FrameRectInAbsoluteCoordinates(ToDocument(node)->GetFrame());
   LayoutRect rect = RectToAbsoluteCoordinates(node->GetDocument().GetFrame(),
                                               node->BoundingBox());
 
   // For authors that use border instead of outline in their CSS, we compensate
   // by ignoring the border when calculating the rect of the focused element.
   if (ignore_border) {
     rect.Move(node->GetLayoutObject()->Style()->BorderLeftWidth(),
@@ skipping 194 matching lines @@
   double overlap =
       (intersection_rect.Width() * intersection_rect.Height()).ToDouble();
 
   // Distance calculation is based on http://www.w3.org/TR/WICD/#focus-handling
   candidate.distance = sqrt(euclidian_distance_pow2) +
                        navigation_axis_distance +
                        weighted_orthogonal_axis_distance - sqrt(overlap);
 }
 
 bool CanBeScrolledIntoView(WebFocusType type, const FocusCandidate& candidate) {
-  ASSERT(candidate.visible_node && candidate.is_offscreen);
+  DCHECK(candidate.visible_node);
+  DCHECK(candidate.is_offscreen);
   LayoutRect candidate_rect = candidate.rect;
   for (Node& parent_node :
        NodeTraversal::AncestorsOf(*candidate.visible_node)) {
     LayoutRect parent_rect = NodeRectInAbsoluteCoordinates(&parent_node);
     if (!candidate_rect.Intersects(parent_rect)) {
       if (((type == kWebFocusTypeLeft || type == kWebFocusTypeRight) &&
            parent_node.GetLayoutObject()->Style()->OverflowX() ==
                EOverflow::kHidden) ||
           ((type == kWebFocusTypeUp || type == kWebFocusTypeDown) &&
            parent_node.GetLayoutObject()->Style()->OverflowY() ==
@@ skipping 51 matching lines @@
   return rect;
 }
 
 HTMLFrameOwnerElement* FrameOwnerElement(FocusCandidate& candidate) {
   return candidate.IsFrameOwnerElement()
              ? ToHTMLFrameOwnerElement(candidate.visible_node)
              : nullptr;
 };
 
 }  // namespace blink