Update WebAPK if homescreen icon changed.

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

Index: chrome/android/java/src/org/chromium/chrome/browser/webapps/ManifestUpgradeDetectorFetcher.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/webapps/ManifestUpgradeDetectorFetcher.java b/chrome/android/java/src/org/chromium/chrome/browser/webapps/ManifestUpgradeDetectorFetcher.java
index c060f64146f2ccbaf8de0d23a7a20a90d6bdc482..da520dd465ac442049ca0b9caeff7fbd62c2c5c7 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/webapps/ManifestUpgradeDetectorFetcher.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/webapps/ManifestUpgradeDetectorFetcher.java
@@ -26,7 +26,7 @@ public class ManifestUpgradeDetectorFetcher extends EmptyTabObserver {
      */
     public interface Callback {
         public void onGotManifestData(String startUrl, String scopeUrl, String name,
-                String shortName, int displayMode, int orientation, long themeColor,
+                String shortName, String iconUrl, int displayMode, int orientation, long themeColor,
                 long backgroundColor);
     }
 
@@ -79,9 +79,10 @@ public class ManifestUpgradeDetectorFetcher extends EmptyTabObserver {
      */
     @CalledByNative
     private void onDataAvailable(String startUrl, String scopeUrl, String name, String shortName,
-            int displayMode, int orientation, long themeColor, long backgroundColor) {
-        mCallback.onGotManifestData(startUrl, scopeUrl, name, shortName, displayMode, orientation,
-                themeColor, backgroundColor);
+            String iconUrl, int displayMode, int orientation, long themeColor,
+            long backgroundColor) {
+        mCallback.onGotManifestData(startUrl, scopeUrl, name, shortName, iconUrl, displayMode,
+                orientation, themeColor, backgroundColor);
     }
 
     private native long nativeInitialize(String scope, String webManifestUrl);