Do not request upgrade if Web Manifest is no longer WebAPK-capable

chrome/browser/android/webapk/manifest_upgrade_detector_fetcher.cc

Index: chrome/browser/android/webapk/manifest_upgrade_detector_fetcher.cc
diff --git a/chrome/browser/android/webapk/manifest_upgrade_detector_fetcher.cc b/chrome/browser/android/webapk/manifest_upgrade_detector_fetcher.cc
index f67ec2de0dd66de204c78e21607008e1e447e93e..5fbadeef78523aebb7a94f2ca5f8091cdf21392d 100644
--- a/chrome/browser/android/webapk/manifest_upgrade_detector_fetcher.cc
+++ b/chrome/browser/android/webapk/manifest_upgrade_detector_fetcher.cc
@@ -109,6 +109,7 @@ void ManifestUpgradeDetectorFetcher::DidFinishLoad(
       ShortcutHelper::GetIdealHomescreenIconSizeInDp();
   params.minimum_icon_size_in_dp =
       ShortcutHelper::GetMinimumHomescreenIconSizeInDp();
+  params.check_installable = true;
   params.fetch_valid_icon = true;
   InstallableManager::CreateForWebContents(web_contents());
   InstallableManager* installable_manager =
@@ -132,6 +133,11 @@ void ManifestUpgradeDetectorFetcher::OnDidGetInstallableData(
   if (data.manifest.IsEmpty() || web_manifest_url_ != data.manifest_url)
     return;
 
+  // TODO(pkotwicz): Tell Java side that the Web Manifest was fetched but the
+  // Web Manifest is not WebAPK-compatible. (http://crbug.com/639536)
+  if (!data.is_installable)
+    return;
+
   ShortcutInfo info(GURL::EmptyGURL());
   info.UpdateFromManifest(data.manifest);
   info.manifest_url = data.manifest_url;