Consolidate RenderText adjacent word selection model code.

ui/gfx/render_text_linux.cc

Index: ui/gfx/render_text_linux.cc
diff --git a/ui/gfx/render_text_linux.cc b/ui/gfx/render_text_linux.cc
index 8700d5d0631bfbbf8cc1395cc1acc7535503ab75..b36ed1db5475beceb5ba8b86f319fa0fe51f1f2a 100644
--- a/ui/gfx/render_text_linux.cc
+++ b/ui/gfx/render_text_linux.cc
@@ -182,34 +182,6 @@ SelectionModel RenderTextLinux::AdjacentCharSelectionModel(
       FirstSelectionModelInsideRun(item) : LastSelectionModelInsideRun(item);
 }
 
-SelectionModel RenderTextLinux::AdjacentWordSelectionModel(
-    const SelectionModel& selection,
-    VisualCursorDirection direction) {
-  if (obscured())
-    return EdgeSelectionModel(direction);
-
-  base::i18n::BreakIterator iter(text(), base::i18n::BreakIterator::BREAK_WORD);
-  bool success = iter.Init();
-  DCHECK(success);
-  if (!success)
-    return selection;
-
-  SelectionModel cur(selection);
-  for (;;) {
-    cur = AdjacentCharSelectionModel(cur, direction);
-    GSList* run = GetRunContainingCaret(cur);
-    if (!run)
-      break;
-    PangoItem* item = reinterpret_cast<PangoLayoutRun*>(run->data)->item;
-    size_t cursor = cur.caret_pos();
-    if (IsForwardMotion(direction, item) ?
-        iter.IsEndOfWord(cursor) : iter.IsStartOfWord(cursor))
-      break;
-  }
-
-  return cur;
-}
-
 ui::Range RenderTextLinux::GetGlyphBounds(size_t index) {
   PangoRectangle pos;
   pango_layout_index_to_pos(layout_, TextIndexToLayoutIndex(index), &pos);