Web app: set a flag on the Intent if the icon was generated by Chromium.

chrome/browser/android/shortcut_info.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/android/shortcut_info.h"
 
 ShortcutInfo::ShortcutInfo(const GURL& shortcut_url)
     : url(shortcut_url),
       display(blink::WebDisplayModeBrowser),
       orientation(blink::WebScreenOrientationLockDefault),
       source(SOURCE_ADD_TO_HOMESCREEN),
       theme_color(content::Manifest::kInvalidOrMissingColor),
-      background_color(content::Manifest::kInvalidOrMissingColor) {
+      background_color(content::Manifest::kInvalidOrMissingColor),
+      is_icon_generated(false) {
 }
 
 ShortcutInfo::~ShortcutInfo() {
 }
 
 void ShortcutInfo::UpdateFromManifest(const content::Manifest& manifest) {
   if (!manifest.short_name.is_null())
     short_name = manifest.short_name.string();
   if (!manifest.name.is_null())
     name = manifest.name.string();
@@ skipping 34 matching lines @@
     theme_color = manifest.theme_color;
 
   // Set the background color based on the manifest value, if any.
   if (manifest.background_color != content::Manifest::kInvalidOrMissingColor)
     background_color = manifest.background_color;
 }
 
 void ShortcutInfo::UpdateSource(const Source new_source) {
   source = new_source;
 }