Label selection experiment

ui/views/selection_controller.cc

Index: ui/views/selection_controller.cc
diff --git a/ui/views/selection_controller.cc b/ui/views/selection_controller.cc
index 704cffecc514783079099dc6378daebe67b46ce7..143a37345efe273cda02d8c84a7ca8b9b7296483 100644
--- a/ui/views/selection_controller.cc
+++ b/ui/views/selection_controller.cc
@@ -34,7 +34,8 @@ bool SelectionController::OnMousePressed(const ui::MouseEvent& event,
       case 0:
         // If the click location is within existing selection, it may be a
         // potential drag and drop.
-        if (GetRenderText()->IsPointInSelection(event.location())) {
+        if (delegate_->SupportsDrag() &&
+            GetRenderText()->IsPointInSelection(event.location())) {
           delegate_->SetTextBeingDragged(true);
         } else {
           MoveCursorTo(event.location(), event.IsShiftDown());
@@ -204,7 +205,7 @@ void SelectionController::SelectThroughLastDragLocation() {
   delegate_->OnBeforeMouseAction();
 
   // Todo(karandeepb): See if this can be handled at the RenderText level.
-  const bool drags_to_end = PlatformStyle::kTextfieldDragVerticallyDragsToEnd;
+  const bool drags_to_end = PlatformStyle::kTextDragVerticallyDragsToEnd;
   if (drags_to_end && last_drag_location_.y() < 0)
     SelectTillEdge(gfx::CURSOR_LEFT);
   else if (drags_to_end && last_drag_location_.y() > delegate_->GetViewHeight())