webapps: initial addition of splash screen icon downloading

chrome/android/java/src/org/chromium/chrome/browser/ShortcutHelper.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ShortcutHelper.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ShortcutHelper.java b/chrome/android/java/src/org/chromium/chrome/browser/ShortcutHelper.java
index ecb2acdea553ba595f9bc8bddd9d754555f935c8..9bc0aa3f1937cf0aa24d3967a779dcb07f198a7d 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ShortcutHelper.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ShortcutHelper.java
@@ -33,6 +33,7 @@ import org.chromium.base.Log;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.chrome.R;
+import org.chromium.chrome.browser.webapps.WebappDataStorage;
 import org.chromium.chrome.browser.webapps.WebappLauncherActivity;
 import org.chromium.chrome.browser.widget.RoundedIconGenerator;
 import org.chromium.content_public.common.ScreenOrientationConstants;
@@ -40,7 +41,6 @@ import org.chromium.ui.widget.Toast;
 
 import java.io.ByteArrayOutputStream;
 import java.util.List;
-import java.util.UUID;
 
 /**
  * This is a helper class to create shortcuts on the Android home screen.
@@ -113,9 +113,9 @@ public class ShortcutHelper {
      */
     @SuppressWarnings("unused")
     @CalledByNative
-    private static void addShortcut(Context context, String url, String userTitle, String name,
-            String shortName, Bitmap icon, boolean isWebappCapable, int orientation, int source,
-            long themeColor, long backgroundColor) {
+    private static void addShortcut(Context context, String id, String url, String userTitle,
+            String name, String shortName, Bitmap icon, boolean isWebappCapable, int orientation,
+            int source, long themeColor, long backgroundColor) {
         Intent shortcutIntent;
         if (isWebappCapable) {
             // Encode the icon as a base64 string (Launcher drops Bitmaps in the Intent).
@@ -131,7 +131,7 @@ public class ShortcutHelper {
             shortcutIntent = new Intent();
             shortcutIntent.setAction(sDelegate.getFullscreenAction());
             shortcutIntent.putExtra(EXTRA_ICON, encodedIcon);
-            shortcutIntent.putExtra(EXTRA_ID, UUID.randomUUID().toString());
+            shortcutIntent.putExtra(EXTRA_ID, id);
             shortcutIntent.putExtra(EXTRA_NAME, name);
             shortcutIntent.putExtra(EXTRA_SHORT_NAME, shortName);
             shortcutIntent.putExtra(EXTRA_URL, url);
@@ -167,6 +167,16 @@ public class ShortcutHelper {
     }
 
     /**
+     * TODO(lalitm)
+     */
+    @SuppressWarnings("unused")
+    @CalledByNative
+    private static void addSplashscreenIconToWebappData(Context context,
+            String id, Bitmap splashIcon) {
+        WebappDataStorage.open(context, id).putSplashIcon(splashIcon);
+    }
+
+    /**
      * Creates an intent that will add a shortcut to the home screen.
      * @param shortcutIntent Intent to fire when the shortcut is activated.
      * @param url URL of the shortcut.