Improving direction-based selection strategy.

Source/web/WebLocalFrameImpl.cpp

Index: Source/web/WebLocalFrameImpl.cpp
diff --git a/Source/web/WebLocalFrameImpl.cpp b/Source/web/WebLocalFrameImpl.cpp
index 976f27ca4093ce89693f8d308997eea6b83021f8..9b43442836a2bf363f899ff4e9c97859032cbe12 100644
--- a/Source/web/WebLocalFrameImpl.cpp
+++ b/Source/web/WebLocalFrameImpl.cpp
@@ -1286,7 +1286,7 @@ void WebLocalFrameImpl::selectRange(const WebRange& webRange)
 
 void WebLocalFrameImpl::moveRangeSelectionExtent(const WebPoint& point)
 {
-    frame()->selection().moveRangeSelectionExtent(visiblePositionForViewportPoint(point));
+    frame()->selection().moveRangeSelectionExtent(frame()->view()->viewportToContents(point));
 }
 
 void WebLocalFrameImpl::moveRangeSelection(const WebPoint& baseInViewport, const WebPoint& extentInViewport, WebFrame::TextGranularity granularity)
@@ -1347,13 +1347,7 @@ void WebLocalFrameImpl::setCaretVisible(bool visible)
 
 VisiblePosition WebLocalFrameImpl::visiblePositionForViewportPoint(const WebPoint& pointInViewport)
 {
-    HitTestRequest request = HitTestRequest::Move | HitTestRequest::ReadOnly | HitTestRequest::Active | HitTestRequest::IgnoreClipping;
-    HitTestResult result(request, frame()->view()->viewportToContents(pointInViewport));
-    frame()->document()->layoutView()->hitTest(result);
-
-    if (Node* node = result.innerNode())
-        return frame()->selection().selection().visiblePositionRespectingEditingBoundary(result.localPoint(), node);
-    return VisiblePosition();
+    return visiblePositionForContentsPoint(frame()->view()->viewportToContents(pointInViewport), frame());
 }
 
 WebPlugin* WebLocalFrameImpl::focusedPluginIfInputMethodSupported()