Make the material design ripple effect more visible on a quick action (single click or single tap)

ui/views/controls/button/custom_button.cc

Index: ui/views/controls/button/custom_button.cc
diff --git a/ui/views/controls/button/custom_button.cc b/ui/views/controls/button/custom_button.cc
index 3dfc48d6d4519dac0e81db37fc5c65870134c383..6a715cb8cc6b0fe86eadd7e95548fa203f868699 100644
--- a/ui/views/controls/button/custom_button.cc
+++ b/ui/views/controls/button/custom_button.cc
@@ -142,7 +142,8 @@ const char* CustomButton::GetClassName() const {
 bool CustomButton::OnMousePressed(const ui::MouseEvent& event) {
   if (state_ == STATE_DISABLED)
     return true;
-  if (ShouldEnterPushedState(event) && HitTestPoint(event.location())) {
+  if (state_ != STATE_PRESSED && ShouldEnterPushedState(event) &&
+      HitTestPoint(event.location())) {
     SetState(STATE_PRESSED);
     if (ink_drop_delegate_)
       ink_drop_delegate_->OnAction(views::InkDropState::ACTION_PENDING);