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

ui/views/view.cc

Index: ui/views/view.cc
diff --git a/ui/views/view.cc b/ui/views/view.cc
index 847f807f356b944d275b238348bdb7db88b62032..531744e5c7cd7acda3830c24ed713217c9568cf0 100644
--- a/ui/views/view.cc
+++ b/ui/views/view.cc
@@ -921,6 +921,12 @@ View* View::GetTooltipHandlerForPoint(const gfx::Point& point) {
   return this;
 }
 
+bool View::GetWordAtPoint(const gfx::Point& point,
+                          gfx::NativeStyledString word,
+                          gfx::Point* baseline_point) {
+  return false;
+}
+
 gfx::NativeCursor View::GetCursor(const ui::MouseEvent& event) {
 #if defined(OS_WIN)
   static ui::Cursor arrow;