Fail even in release mode when under-invalidation is being checked

third_party/WebKit/Source/platform/graphics/paint/PaintController.cpp

 // Copyright 2014 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 "platform/graphics/paint/PaintController.h"
 
 #include "platform/graphics/GraphicsLayer.h"
 #include "platform/graphics/paint/DrawingDisplayItem.h"
 #include "platform/instrumentation/tracing/TraceEvent.h"
 #include "platform/wtf/AutoReset.h"
@@ skipping 131 matching lines @@
 void PaintController::addCachedSubsequence(const DisplayItemClient& client,
                                            unsigned start,
                                            unsigned end) {
   DCHECK(start <= end);
   DCHECK(end < m_newDisplayItemList.size());
   if (isCheckingUnderInvalidation()) {
     SubsequenceMarkers* markers = getSubsequenceMarkers(client);
     if (!markers) {
       showSequenceUnderInvalidationError(
           "under-invalidation : unexpected subsequence", client, start, end);
-      DCHECK(false);
+      CHECK(false);
     }
     if (markers->end - markers->start != end - start) {
       showSequenceUnderInvalidationError(
           "under-invalidation: new subsequence wrong length", client, start,
           end);
-      DCHECK(false);
+      CHECK(false);
     }
   }
 
   DCHECK(m_newCachedSubsequences.find(&client) ==
          m_newCachedSubsequences.end());
 
   m_newCachedSubsequences.insert(&client, SubsequenceMarkers(start, end));
 }
 
 bool PaintController::lastDisplayItemIsNoopBegin() const {
@@ skipping 743 matching lines @@
                        showPaintRecords
                            ? (DisplayItemList::JsonOptions::ShowPaintRecords |
                               DisplayItemList::JsonOptions::ShowClientDebugName)
                            : DisplayItemList::JsonOptions::ShowClientDebugName)
                    ->toPrettyJSONString()
                    .utf8()
                    .data());
 }
 
 }  // namespace blink