Updates Zoom bubble layout and adds +/- buttons

chrome/browser/ui/views/location_bar/location_bar_view.cc

Index: chrome/browser/ui/views/location_bar/location_bar_view.cc
diff --git a/chrome/browser/ui/views/location_bar/location_bar_view.cc b/chrome/browser/ui/views/location_bar/location_bar_view.cc
index 284f8672adcee772b35cd6d0e4879e2190544d6c..cdd3a9ceae8317228937f8cae052a62b1bb67170 100644
--- a/chrome/browser/ui/views/location_bar/location_bar_view.cc
+++ b/chrome/browser/ui/views/location_bar/location_bar_view.cc
@@ -320,9 +320,11 @@ void LocationBarView::ZoomChangedForActiveTab(bool can_show_bubble) {
   }
 
   WebContents* web_contents = GetWebContents();
-  if (can_show_bubble && zoom_view_->visible() && web_contents)
+  if (can_show_bubble && web_contents &&

[tapted, 2017/05/02 01:28:02]

Perhaps comment here? Like

  // Note that at 100% Zoom, the ZoomBubbleView may be present without the
  // corresponding location bar decoration, |zoom_view_|.

[varkha, 2017/05/03 01:50:27]

Done.

+      (zoom_view_->visible() || ZoomBubbleView::GetZoomBubble())) {
     ZoomBubbleView::ShowBubble(web_contents, gfx::Point(),
                                ZoomBubbleView::AUTOMATIC);
+  }
 }
 
 void LocationBarView::SetStarToggled(bool on) {