Use scope defined in Web Manifest when adding page to homescreen

chrome/browser/android/shortcut_info.cc

Index: chrome/browser/android/shortcut_info.cc
diff --git a/chrome/browser/android/shortcut_info.cc b/chrome/browser/android/shortcut_info.cc
index 035ace635f16cf8753d901a9fcaae8a4daccd34b..9371a8a0c79f12163ed9dff0760f5903d827a7e6 100644
--- a/chrome/browser/android/shortcut_info.cc
+++ b/chrome/browser/android/shortcut_info.cc
@@ -35,6 +35,9 @@ void ShortcutInfo::UpdateFromManifest(const content::Manifest& manifest) {
   if (manifest.start_url.is_valid())
     url = manifest.start_url;
 
+  if (manifest.scope.is_valid())
+    scope = manifest.scope;
+
   // Set the display based on the manifest value, if any.
   if (manifest.display != blink::WebDisplayModeUndefined)
     display = manifest.display;