TextBreakIterator should use the C++ icu API instead of the C one

Source/web/ContextMenuClientImpl.cpp

Index: Source/web/ContextMenuClientImpl.cpp
diff --git a/Source/web/ContextMenuClientImpl.cpp b/Source/web/ContextMenuClientImpl.cpp
index 112d4f4ca9dc3aa52e674e4ef893d81970908ba6..3f3cb0c1f5c7a57cff5312e2edf01b2ed7fa79ae 100644
--- a/Source/web/ContextMenuClientImpl.cpp
+++ b/Source/web/ContextMenuClientImpl.cpp
@@ -100,7 +100,7 @@ static WebURL urlFromFrame(Frame* frame)
 static bool isASingleWord(const String& text)
 {
     TextBreakIterator* it = wordBreakIterator(text, 0, text.length());
-    return it && textBreakNext(it) == static_cast<int>(text.length());
+    return it && it->next() == static_cast<int>(text.length());
 }
 
 // Helper function to get misspelled word on which context menu