Offline Pages: Replace Observer::OfflinePageModelChanged with OfflinePageAdded.

chrome/android/java/src/org/chromium/chrome/browser/offlinepages/OfflinePageBridge.java

Index: chrome/android/java/src/org/chromium/chrome/browser/offlinepages/OfflinePageBridge.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/offlinepages/OfflinePageBridge.java b/chrome/android/java/src/org/chromium/chrome/browser/offlinepages/OfflinePageBridge.java
index f39441eb8f674416af4bdad4be901268e14e49b6..cb72401985aac71b00d9cbf1d66328e7a2ac0cec 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/offlinepages/OfflinePageBridge.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/offlinepages/OfflinePageBridge.java
@@ -78,7 +78,7 @@ public class OfflinePageBridge {
          * Called when the native side of offline pages is changed due to adding, removing or
          * update an offline page.
          */
-        public void offlinePageModelChanged() {}
+        public void offlinePageAdded(final OfflinePageItem addedPage) {}
 
         /**
          * Called when an offline page is deleted. This can be called as a result of
@@ -441,9 +441,9 @@ public class OfflinePageBridge {
     }
 
     @CalledByNative
-    private void offlinePageModelChanged() {
+    private void offlinePageAdded(OfflinePageItem addedPage) {
         for (OfflinePageModelObserver observer : mObservers) {
-            observer.offlinePageModelChanged();
+            observer.offlinePageAdded(addedPage);
         }
     }