Replace ASSERT with DCHECK in core/

third_party/WebKit/Source/core/page/scrolling/ScrollState.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 "core/page/scrolling/ScrollState.h"
 
 #include <memory>
 #include "core/dom/DOMNodeIds.h"
 #include "core/dom/Element.h"
 #include "core/dom/ExceptionCode.h"
 #include "platform/graphics/CompositorElementId.h"
 #include "platform/wtf/PtrUtil.h"
 
 namespace blink {
 
 namespace {
 Element* ElementForId(int element_id) {
   Node* node = DOMNodeIds::NodeForId(element_id);
-  ASSERT(node);
+  DCHECK(node);
   if (!node)
     return nullptr;
-  ASSERT(node->IsElementNode());
+  DCHECK(node->IsElementNode());
   if (!node->IsElementNode())
     return nullptr;
   return static_cast<Element*>(node);
 }
 }  // namespace
 
 ScrollState* ScrollState::Create(ScrollStateInit init) {
   std::unique_ptr<ScrollStateData> scroll_state_data =
       WTF::MakeUnique<ScrollStateData>();
   scroll_state_data->delta_x = init.deltaX();
@@ skipping 70 matching lines @@
   data_->set_current_native_scrolling_element(CreateCompositorElementId(
       DOMNodeIds::IdForNode(element), CompositorSubElementId::kScroll));
 }
 
 void ScrollState::SetCurrentNativeScrollingElementById(int element_id) {
   data_->set_current_native_scrolling_element(
       CreateCompositorElementId(element_id, CompositorSubElementId::kScroll));
 }
 
 }  // namespace blink