Hides ink ripple when a button drag is started

ui/views/view.cc

Index: ui/views/view.cc
diff --git a/ui/views/view.cc b/ui/views/view.cc
index 4aa6d5a9fe2c0629d1c449f3908a1f6dbc402ea1..76c5752a9096e4693be6a4a5287c739a61f0159f 100644
--- a/ui/views/view.cc
+++ b/ui/views/view.cc
@@ -1285,6 +1285,9 @@ int View::OnPerformDrop(const ui::DropTargetEvent& event) {
   return ui::DragDropTypes::DRAG_NONE;
 }
 
+void View::OnDragStarted(const ui::LocatedEvent& event) {
+}
+
 void View::OnDragDone() {
 }
 
@@ -2193,9 +2196,11 @@ bool View::ProcessMouseDragged(const ui::MouseEvent& event) {
       (!drag_controller_ ||
        drag_controller_->CanStartDragForView(
            this, GetDragInfo()->start_pt, event.location()))) {
+    LOG(ERROR) << __FUNCTION__ << " calling DoDrag";

[bruthig, 2015/12/09 17:35:06]

Don't forget to remove these log statements.

[varkha, 2015/12/09 17:42:53]

Done.

     DoDrag(event, GetDragInfo()->start_pt,
            ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE);
   } else {
+    LOG(ERROR) << __FUNCTION__ << " calling OnMouseDragged";
     if (OnMouseDragged(event))
       return true;
     // Fall through to return value based on context menu controller.
@@ -2380,6 +2385,8 @@ bool View::DoDrag(const ui::LocatedEvent& event,
   if (widget->dragged_view())
     return false;
 
+  OnDragStarted(event);
+
   OSExchangeData data;
   WriteDragData(press_pt, &data);