MacViews: Implement Force Touch/Mac dictionary lookup for Textfields.

ui/views/controls/textfield/textfield.cc

Index: ui/views/controls/textfield/textfield.cc
diff --git a/ui/views/controls/textfield/textfield.cc b/ui/views/controls/textfield/textfield.cc
index e6d8012fcf490fad838bc0c52b9b7ef96cb7cb7a..f0e4fb22c1555990a5551167fb1312c1cb940328 100644
--- a/ui/views/controls/textfield/textfield.cc
+++ b/ui/views/controls/textfield/textfield.cc
@@ -558,6 +558,10 @@ const char* Textfield::GetClassName() const {
   return kViewClassName;
 }
 
+gfx::RenderText* Textfield::GetRenderText() const {
+  return model_->render_text();
+}
+
 gfx::NativeCursor Textfield::GetCursor(const ui::MouseEvent& event) {
   bool in_selection = GetRenderText()->IsPointInSelection(event.location());
   bool drag_event = event.type() == ui::ET_MOUSE_DRAGGED;
@@ -1559,10 +1563,6 @@ void Textfield::DoInsertChar(base::char16 ch) {
   OnAfterUserAction();
 }
 
-gfx::RenderText* Textfield::GetRenderText() const {
-  return model_->render_text();
-}
-
 base::string16 Textfield::GetSelectionClipboardText() const {
   base::string16 selection_clipboard_text;
   ui::Clipboard::GetForCurrentThread()->ReadText(