Simplify the usage of PositionWithAffinity

third_party/WebKit/Source/core/editing/VisibleSelection.cpp

 /*
  * Copyright (C) 2004, 2005, 2006 Apple Computer, 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 79 matching lines @@
     base.document()->updateStyleAndLayoutIgnorePendingStylesheets();
   if (extent.isNotNull())
     extent.document()->updateStyleAndLayoutIgnorePendingStylesheets();
   return VisibleSelection::create(base, extent, affinity, isDirectional);
 }
 
 VisibleSelection createVisibleSelectionDeprecated(
     const PositionWithAffinity& pos,
     bool isDirectional) {
   if (pos.isNotNull())
-    pos.position().document()->updateStyleAndLayoutIgnorePendingStylesheets();
+    pos.document()->updateStyleAndLayoutIgnorePendingStylesheets();
   return VisibleSelection::create(pos.position(), pos.position(),
                                   pos.affinity(), isDirectional);
 }
 
 VisibleSelection createVisibleSelectionDeprecated(const VisiblePosition& pos,
                                                   bool isDirectional) {
   if (pos.isNotNull())
     pos.deepEquivalent()
         .document()
         ->updateStyleAndLayoutIgnorePendingStylesheets();
@@ skipping 47 matching lines @@
   if (extent.isNotNull())
     extent.document()->updateStyleAndLayoutIgnorePendingStylesheets();
   return VisibleSelectionInFlatTree::create(base, extent, affinity,
                                             isDirectional);
 }
 
 VisibleSelectionInFlatTree createVisibleSelectionDeprecated(
     const PositionInFlatTreeWithAffinity& pos,
     bool isDirectional) {
   if (pos.isNotNull())
-    pos.position().document()->updateStyleAndLayoutIgnorePendingStylesheets();
+    pos.document()->updateStyleAndLayoutIgnorePendingStylesheets();
   return VisibleSelectionInFlatTree::create(pos.position(), pos.position(),
                                             pos.affinity(), isDirectional);
 }
 
 VisibleSelectionInFlatTree createVisibleSelectionDeprecated(
     const VisiblePositionInFlatTree& pos,
     bool isDirectional) {
   if (pos.isNotNull())
     pos.deepEquivalent()
         .document()
@@ skipping 952 matching lines @@
 
 void showTree(const blink::VisibleSelectionInFlatTree& sel) {
   sel.showTreeForThis();
 }
 
 void showTree(const blink::VisibleSelectionInFlatTree* sel) {
   if (sel)
     sel->showTreeForThis();
 }
 #endif