[DMC #24] Add SpellingMarker and GrammarMarker (subclasses of DocumentMarker)

third_party/WebKit/Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 47 matching lines @@
 #include "core/dom/shadow/ElementShadowV0.h"
 #include "core/dom/shadow/FlatTreeTraversal.h"
 #include "core/dom/shadow/SelectRuleFeatureSet.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/editing/Editor.h"
 #include "core/editing/PlainTextRange.h"
 #include "core/editing/SurroundingText.h"
 #include "core/editing/iterators/TextIterator.h"
 #include "core/editing/markers/DocumentMarker.h"
 #include "core/editing/markers/DocumentMarkerController.h"
+#include "core/editing/markers/SpellCheckMarker.h"
 #include "core/editing/markers/TextMatchMarker.h"
 #include "core/editing/serializers/Serialization.h"
 #include "core/editing/spellcheck/IdleSpellCheckCallback.h"
 #include "core/editing/spellcheck/SpellCheckRequester.h"
 #include "core/editing/spellcheck/SpellChecker.h"
 #include "core/frame/EventHandlerRegistry.h"
 #include "core/frame/FrameConsole.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/LocalFrameView.h"
@@ skipping 925 matching lines @@
     return nullptr;
   return Range::Create(node->GetDocument(), node, marker->StartOffset(), node,
                        marker->EndOffset());
 }
 
 String Internals::markerDescriptionForNode(Node* node,
                                            const String& marker_type,
                                            unsigned index,
                                            ExceptionState& exception_state) {
   DocumentMarker* marker = MarkerAt(node, marker_type, index, exception_state);
-  if (!marker)
+  if (!marker || !IsSpellCheckMarker(*marker))
     return String();
-  return marker->Description();
+  return ToSpellCheckMarker(marker)->Description();
 }
 
 static WTF::Optional<TextMatchMarker::MatchStatus> MatchStatusFrom(
     const String& match_status) {
   if (EqualIgnoringASCIICase(match_status, "kActive"))
     return TextMatchMarker::MatchStatus::kActive;
   if (EqualIgnoringASCIICase(match_status, "kInactive"))
     return TextMatchMarker::MatchStatus::kInactive;
   return WTF::nullopt;
 }
@@ skipping 2264 matching lines @@
 
 void Internals::crash() {
   CHECK(false) << "Intentional crash";
 }
 
 void Internals::setIsLowEndDevice(bool is_low_end_device) {
   MemoryCoordinator::SetIsLowEndDeviceForTesting(is_low_end_device);
 }
 
 }  // namespace blink