Mark the createVisiblePosition overloads as deprecated

third_party/WebKit/Source/core/dom/Range.cpp

Index: third_party/WebKit/Source/core/dom/Range.cpp
diff --git a/third_party/WebKit/Source/core/dom/Range.cpp b/third_party/WebKit/Source/core/dom/Range.cpp
index 97ba6fb2c789592035087ddfb66deb7e7e429d3e..67305ca845e14dbc2158b87095a59debea84cda7 100644
--- a/third_party/WebKit/Source/core/dom/Range.cpp
+++ b/third_party/WebKit/Source/core/dom/Range.cpp
@@ -1462,8 +1462,8 @@ void Range::didSplitTextNode(Text& oldNode)
 
 void Range::expand(const String& unit, ExceptionState& exceptionState)

[yosin_UTC9, 2016/09/16 02:01:21]

We should get rid of Range#expand() since it is Blink/WebKit specific Web API.
I filed http://crbug.com/647533 for tracking.

 {
-    VisiblePosition start = createVisiblePosition(startPosition());
-    VisiblePosition end = createVisiblePosition(endPosition());
+    VisiblePosition start = createVisiblePositionDeprecated(startPosition());
+    VisiblePosition end = createVisiblePositionDeprecated(endPosition());
     if (unit == "word") {
         start = startOfWord(start);
         end = endOfWord(end);