[Offline pages] Refactor createClientIdForTabSharing and ClientId/UUID creation

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

Index: chrome/android/java/src/org/chromium/chrome/browser/offlinepages/ClientId.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/offlinepages/ClientId.java b/chrome/android/java/src/org/chromium/chrome/browser/offlinepages/ClientId.java
index 72f8380eaa94047f9d56cf3174aacd14ed8c6b7a..6549f246d08ed53e3bf2a61847ea02f5380938c8 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/offlinepages/ClientId.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/offlinepages/ClientId.java
@@ -53,12 +53,12 @@ public class ClientId {
     }
 
     /**
-     * Create a client id for a tab when its contents need to be saved for sharing purposes.
-     * @param id The tab id to wrap.
-     * @return A {@link ClientId} that represents this TabId.
+     * Create a client id for a namespace.
+     * @param namespace The namespace for the client id.
+     * @return A {@link ClientId} for this namespace with generated UUID.
      */
-    public static ClientId createClientIdForTabSharing() {
+    public static ClientId createGuidClientIdForNamespace(String namespace) {
         String uuid = UUID.randomUUID().toString();
-        return new ClientId(OfflinePageBridge.SHARE_NAMESPACE, uuid);
+        return new ClientId(namespace, uuid);
     }
 }