Do not activate windows when showing chooser bubbles.

Activating windows allows popunders, and is disallowed in Chromium.
Ensure that we do not activate a window when we show a chooser
bubble.

BUG=838314

Change-Id: I052adb7b4bc37a439961059ab95670edcf85cd69
Reviewed-on: https://chromium-review.googlesource.com/1059451
Commit-Queue: Ben Wells <benwells@chromium.org>
Reviewed-by: Ben Wells <benwells@chromium.org>
Reviewed-by: Elly Fong-Jones <ellyjones@chromium.org>
Cr-Commit-Position: refs/heads/master@{#559384}

chrome/browser/ui/views/permission_bubble/chooser_bubble_ui_views.cc

@@ -37,6 +37,9 @@ void ChooserBubbleUi::CreateAndShow(views::BubbleDialogDelegateView* delegate) {
   gfx::NativeView parent = widget->GetNativeView();
   DCHECK(parent);
   delegate->set_parent_window(parent);
-  views::BubbleDialogDelegateView::CreateBubble(delegate)->Show();
+  if (browser_->window()->IsActive())
+    views::BubbleDialogDelegateView::CreateBubble(delegate)->Show();
+  else
+    views::BubbleDialogDelegateView::CreateBubble(delegate)->ShowInactive();
 }
 #endif  // !OS_MACOSX || MAC_VIEWS_BROWSER