Replace ENABLE(ASSERT) with DCHECK_IS_ON().

third_party/WebKit/Source/core/frame/FrameHost.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 155 matching lines @@
 DEFINE_TRACE(FrameHost) {
   visitor->trace(m_page);
   visitor->trace(m_browserControls);
   visitor->trace(m_visualViewport);
   visitor->trace(m_overscrollController);
   visitor->trace(m_eventHandlerRegistry);
   visitor->trace(m_consoleMessageStorage);
   visitor->trace(m_globalRootScrollerController);
 }
 
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
 void checkFrameCountConsistency(int expectedFrameCount, Frame* frame) {
   ASSERT(expectedFrameCount >= 0);
 
   int actualFrameCount = 0;
   for (; frame; frame = frame->tree().traverseNext())
     ++actualFrameCount;
 
   ASSERT(expectedFrameCount == actualFrameCount);
 }
 #endif
 
 int FrameHost::subframeCount() const {
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
   checkFrameCountConsistency(m_subframeCount + 1, m_page->mainFrame());
 #endif
   return m_subframeCount;
 }
 
 void FrameHost::setDefaultPageScaleLimits(float minScale, float maxScale) {
   PageScaleConstraints newDefaults =
       pageScaleConstraintsSet().defaultConstraints();
   newDefaults.minimumScale = minScale;
   newDefaults.maximumScale = maxScale;
@@ skipping 28 matching lines @@
 
   FrameView* rootView = page().deprecatedLocalMainFrame()->view();
 
   if (!rootView)
     return;
 
   rootView->setNeedsLayout();
 }
 
 }  // namespace blink