Paint tab-loading throbbers into a ui::Layer.

chrome/browser/ui/views/tabs/tab_strip.cc

Index: chrome/browser/ui/views/tabs/tab_strip.cc
diff --git a/chrome/browser/ui/views/tabs/tab_strip.cc b/chrome/browser/ui/views/tabs/tab_strip.cc
index b8010e22fdfd63b041efbfb844080be0012bb44f..fa535813936726c33c06a2314e9f990aec39a961 100644
--- a/chrome/browser/ui/views/tabs/tab_strip.cc
+++ b/chrome/browser/ui/views/tabs/tab_strip.cc
@@ -1176,16 +1176,17 @@ void TabStrip::OnMouseEventInTab(views::View* source,
 }
 
 bool TabStrip::ShouldPaintTab(const Tab* tab, gfx::Rect* clip) {
+  const bool dragging = drag_controller_ && drag_controller_->started_drag();
   // Only touch layout needs to restrict the clip.
-  if (!touch_layout_ && !IsStackingDraggedTabs())
+  if (!touch_layout_ && !dragging)
     return true;
 
   int index = GetModelIndexOfTab(tab);
   if (index == -1)
     return true;  // Tab is closing, paint it all.
 
-  int active_index = IsStackingDraggedTabs() ?
-      controller_->GetActiveIndex() : touch_layout_->active_index();
+  int active_index =
+      dragging ? controller_->GetActiveIndex() : touch_layout_->active_index();
   if (active_index == tab_count())
     active_index--;
 
@@ -1751,12 +1752,6 @@ void TabStrip::StackDraggedTabs(int delta) {
   SchedulePaint();
 }
 
-bool TabStrip::IsStackingDraggedTabs() const {
-  return drag_controller_.get() && drag_controller_->started_drag() &&
-      (drag_controller_->move_behavior() ==
-       TabDragController::MOVE_VISIBILE_TABS);
-}
-
 void TabStrip::LayoutDraggedTabsAt(const Tabs& tabs,
                                    Tab* active_tab,
                                    const gfx::Point& location,