Have Document::markers() return a reference

Source/core/testing/Internals.cpp

Index: Source/core/testing/Internals.cpp
diff --git a/Source/core/testing/Internals.cpp b/Source/core/testing/Internals.cpp
index 738eddf2426929fc95e6de86375d3c7f6d292265..8795972d3d4ba21c7713884f7a053abc43f288b6 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -821,7 +821,7 @@ unsigned Internals::markerCountForNode(Node* node, const String& markerType, Exc
         return 0;
     }
 
-    return node->document().markers()->markersFor(node, markerTypes).size();
+    return node->document().markers().markersFor(node, markerTypes).size();
 }
 
 unsigned Internals::activeMarkerCountForNode(Node* node, ExceptionState& exceptionState)
@@ -833,7 +833,7 @@ unsigned Internals::activeMarkerCountForNode(Node* node, ExceptionState& excepti
 
     // Only TextMatch markers can be active.
     DocumentMarker::MarkerType markerType = DocumentMarker::TextMatch;
-    Vector<DocumentMarker*> markers = node->document().markers()->markersFor(node, markerType);
+    Vector<DocumentMarker*> markers = node->document().markers().markersFor(node, markerType);
 
     unsigned activeMarkerCount = 0;
     for (Vector<DocumentMarker*>::iterator iter = markers.begin(); iter != markers.end(); ++iter) {
@@ -857,7 +857,7 @@ DocumentMarker* Internals::markerAt(Node* node, const String& markerType, unsign
         return 0;
     }
 
-    Vector<DocumentMarker*> markers = node->document().markers()->markersFor(node, markerTypes);
+    Vector<DocumentMarker*> markers = node->document().markers().markersFor(node, markerTypes);
     if (markers.size() <= index)
         return 0;
     return markers[index];
@@ -882,7 +882,7 @@ String Internals::markerDescriptionForNode(Node* node, const String& markerType,
 void Internals::addTextMatchMarker(const Range* range, bool isActive)
 {
     range->ownerDocument().updateLayoutIgnorePendingStylesheets();
-    range->ownerDocument().markers()->addTextMatchMarker(range, isActive);
+    range->ownerDocument().markers().addTextMatchMarker(range, isActive);
 }
 
 void Internals::setMarkersActive(Node* node, unsigned startOffset, unsigned endOffset, bool active, ExceptionState& exceptionState)
@@ -892,7 +892,7 @@ void Internals::setMarkersActive(Node* node, unsigned startOffset, unsigned endO
         return;
     }
 
-    node->document().markers()->setMarkersActive(node, startOffset, endOffset, active);
+    node->document().markers().setMarkersActive(node, startOffset, endOffset, active);
 }
 
 void Internals::setMarkedTextMatchesAreHighlighted(Document* document, bool highlight, ExceptionState&)