[Offline Pages] Removes the deprecated IsOfflinePages synthetic flag since no uses of it remain.

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 caf05cb97eb7da335581dd3fa91940410bd05505..5cd61ffb8e5d20bc23fa453b53bec984544f25a9 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
@@ -44,9 +44,6 @@ public class OfflinePageBridge {
     private final ObserverList<OfflinePageModelObserver> mObservers =
             new ObserverList<OfflinePageModelObserver>();
 
-    /** Whether offline pages feature is enabled or not. */
-    private static Boolean sOfflinePagesEnabled;
-
     /** Whether an offline sub-feature is enabled or not. */
     private static Boolean sOfflineBookmarksEnabled;
     private static Boolean sBackgroundLoadingEnabled;
@@ -110,17 +107,6 @@ public class OfflinePageBridge {
     }
 
     /**
-     * @return True if offline pages feature is enabled.
-     */
-    public static boolean isOfflinePagesEnabled() {
-        ThreadUtils.assertOnUiThread();
-        if (sOfflinePagesEnabled == null) {
-            sOfflinePagesEnabled = nativeIsOfflinePagesEnabled();
-        }
-        return sOfflinePagesEnabled;
-    }
-
-    /**
      * @return True if saving bookmarked pages for offline viewing is enabled.
      */
     public static boolean isOfflineBookmarksEnabled() {
@@ -590,7 +576,6 @@ public class OfflinePageBridge {
         return new ClientId(clientNamespace, id);
     }
 
-    private static native boolean nativeIsOfflinePagesEnabled();
     private static native boolean nativeIsOfflineBookmarksEnabled();
     private static native boolean nativeIsBackgroundLoadingEnabled();
     private static native boolean nativeIsPageSharingEnabled();