Make browser windows override_redirect when dragging tabs.

chrome/browser/ui/views/chrome_views_delegate_aura.cc

Index: chrome/browser/ui/views/chrome_views_delegate_aura.cc
diff --git a/chrome/browser/ui/views/chrome_views_delegate_aura.cc b/chrome/browser/ui/views/chrome_views_delegate_aura.cc
index f2691c5e1f01dbfdf9ef2a6e4aa4c85e1063e764..2439c6f2cde671ca994965d9d1a07b800f2569e6 100644
--- a/chrome/browser/ui/views/chrome_views_delegate_aura.cc
+++ b/chrome/browser/ui/views/chrome_views_delegate_aura.cc
@@ -15,7 +15,9 @@ ChromeViewsDelegate::GetOpacityForInitParams(
 
   // We want translucent windows when either we are in ASH or we are
   // a top level window which is not of type TYPE_WINDOW.
-  if (!params.child && params.type != views::Widget::InitParams::TYPE_WINDOW)
+  if (!params.child &&
+      (params.type != views::Widget::InitParams::TYPE_WINDOW ||
+       params.type != views::Widget::InitParams::TYPE_DRAG_BROWSER))
     return views::Widget::InitParams::TRANSLUCENT_WINDOW;
 
   return views::Widget::InitParams::OPAQUE_WINDOW;