Introduce FrameSelection::moveCaretSelection() as replacement of moveTo()

third_party/WebKit/Source/web/WebLocalFrameImpl.cpp

 /*
  * Copyright (C) 2009 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 1244 matching lines @@
       visiblePositionForViewportPoint(baseInViewport),
       visiblePositionForViewportPoint(extentInViewport), blinkGranularity);
 }
 
 void WebLocalFrameImpl::moveCaretSelection(const WebPoint& pointInViewport) {
   TRACE_EVENT0("blink", "WebLocalFrameImpl::moveCaretSelection");
 
   // TODO(editing-dev): The use of updateStyleAndLayoutIgnorePendingStylesheets
   // needs to be audited.  see http://crbug.com/590369 for more details.
   frame()->document()->updateStyleAndLayoutIgnorePendingStylesheets();
-
-  Element* editable = frame()->selection().rootEditableElement();
-  if (!editable)
-    return;
-
-  VisiblePosition position = visiblePositionForViewportPoint(pointInViewport);
-  frame()->selection().moveTo(position, UserTriggered);
+  const IntPoint pointInContents =
+      frame()->view()->viewportToContents(pointInViewport);
+  frame()->selection().moveCaretSelection(pointInContents);
 }
 
 bool WebLocalFrameImpl::setEditableSelectionOffsets(int start, int end) {
   TRACE_EVENT0("blink", "WebLocalFrameImpl::setEditableSelectionOffsets");
 
   // TODO(xiaochengh): The use of updateStyleAndLayoutIgnorePendingStylesheets
   // needs to be audited.  See http://crbug.com/590369 for more details.
   frame()->document()->updateStyleAndLayoutIgnorePendingStylesheets();
 
   return frame()->inputMethodController().setEditableSelectionOffsets(
@@ skipping 1099 matching lines @@
     feature = UseCounter::ChromeLoadTimesNpnNegotiatedProtocol;
   } else if (metric == "wasAlternateProtocolAvailable") {
     feature = UseCounter::ChromeLoadTimesWasAlternateProtocolAvailable;
   } else if (metric == "connectionInfo") {
     feature = UseCounter::ChromeLoadTimesConnectionInfo;
   }
   UseCounter::count(frame(), feature);
 }
 
 }  // namespace blink