Fix ManifestUpgradeDetectorTest#testManifestEmptyScopeShouldNotUpgrade()

chrome/android/java/src/org/chromium/chrome/browser/webapps/ManifestUpgradeDetector.java

Index: chrome/android/java/src/org/chromium/chrome/browser/webapps/ManifestUpgradeDetector.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/webapps/ManifestUpgradeDetector.java b/chrome/android/java/src/org/chromium/chrome/browser/webapps/ManifestUpgradeDetector.java
index e324b3e08f429b65436837cf94345d9f17947873..1420c9a641be72d061425d213bfac3592a4a3b1c 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/webapps/ManifestUpgradeDetector.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/webapps/ManifestUpgradeDetector.java
@@ -80,17 +80,15 @@ public class ManifestUpgradeDetector implements ManifestUpgradeDetectorFetcher.C
             return false;
         }
 
-        mFetcher = createFetcher(mTab, mMetaData.scope, mMetaData.manifestUrl);
-        mFetcher.start(this);
-        return true;
+        mFetcher = createFetcher();
+        return mFetcher.start(mTab, mMetaData.scope, mMetaData.manifestUrl, this);
     }
 
     /**
      * Creates ManifestUpgradeDataFetcher.
      */
-    protected ManifestUpgradeDetectorFetcher createFetcher(Tab tab, String scopeUrl,
-            String manifestUrl) {
-        return new ManifestUpgradeDetectorFetcher(tab, scopeUrl, manifestUrl);
+    protected ManifestUpgradeDetectorFetcher createFetcher() {
+        return new ManifestUpgradeDetectorFetcher();
     }
 
     /**