Align intent picker bubble to the Omnibox.

Currently the intent picker bubble is aligned to the intent picker icon,
this CL aligns the intent picker bubble to the Omnibox.

BUG=986145

Change-Id: I4940e000b7d9738b4fb886b79efe2edc7b1a18ac
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1715349
Commit-Queue: Maggie Cai <mxcai@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#681162}

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

@@ -412,7 +412,7 @@ void ToolbarView::ShowIntentPickerBubble(
     if (!intent_picker_view->GetVisible())
       IntentPickerTabHelper::SetShouldShowIcon(GetWebContents(), true);
     IntentPickerBubbleView::ShowBubble(
-        intent_picker_view, GetWebContents(), std::move(app_info),
+        location_bar(), GetWebContents(), std::move(app_info),
         show_stay_in_chrome, show_remember_selection, std::move(callback));
   }
 }