Enables hot-tracking for overflow extension buttons in the app menu

chrome/browser/ui/views/toolbar/toolbar_action_view.cc

Index: chrome/browser/ui/views/toolbar/toolbar_action_view.cc
diff --git a/chrome/browser/ui/views/toolbar/toolbar_action_view.cc b/chrome/browser/ui/views/toolbar/toolbar_action_view.cc
index 40e9ee8617d4115976b399b3379419e9243fae82..37f514008e26851b92a522a89aa171d9ee59ba42 100644
--- a/chrome/browser/ui/views/toolbar/toolbar_action_view.cc
+++ b/chrome/browser/ui/views/toolbar/toolbar_action_view.cc
@@ -126,6 +126,11 @@ SkColor ToolbarActionView::GetInkDropBaseColor() const {
       ThemeProperties::COLOR_TOOLBAR_BUTTON_ICON);
 }
 
+bool ToolbarActionView::ShouldShowInkDropHover() const {
+  return !delegate_->ShownInsideMenu() &&

[Evan Stade, 2016/03/01 00:00:08]

This seems contrary to what you wrote on the bug: "mouse hot-tracking should
produce immediate feedback".

[varkha, 2016/03/01 00:08:58]

Yes, the immediate feedback is produced by a background created in app_menu.
This check here just disables the "other" hover that works on mouse enter / exit
with an animation.

+         views::MenuButton::ShouldShowInkDropHover();
+}
+
 content::WebContents* ToolbarActionView::GetCurrentWebContents() const {
   return delegate_->GetCurrentWebContents();
 }