Use base::Callback in Quota related code.

webkit/fileapi/file_system_quota_client.h

Index: webkit/fileapi/file_system_quota_client.h
diff --git a/webkit/fileapi/file_system_quota_client.h b/webkit/fileapi/file_system_quota_client.h
index 40456286600d5c8a0b493d539a68c1995405e468..de3cf692d5c4cb409fdb669243ad968c31fbfe21 100644
--- a/webkit/fileapi/file_system_quota_client.h
+++ b/webkit/fileapi/file_system_quota_client.h
@@ -43,15 +43,15 @@ class FileSystemQuotaClient : public quota::QuotaClient,
   virtual void OnQuotaManagerDestroyed() OVERRIDE;
   virtual void GetOriginUsage(const GURL& origin_url,
                               quota::StorageType type,
-                              GetUsageCallback* callback) OVERRIDE;
+                              GetUsageCallback callback) OVERRIDE;

[awong, 2011/09/29 18:05:15]

const &.

[tzik, 2011/10/11 04:53:57]

Done.

   virtual void GetOriginsForType(quota::StorageType type,
-                                 GetOriginsCallback* callback) OVERRIDE;
+                                 GetOriginsCallback callback) OVERRIDE;

[awong, 2011/09/29 18:05:15]

const &.

[tzik, 2011/10/11 04:53:57]

Done.

   virtual void GetOriginsForHost(quota::StorageType type,
                                  const std::string& host,
-                                 GetOriginsCallback* callback) OVERRIDE;
+                                 GetOriginsCallback callback) OVERRIDE;

[awong, 2011/09/29 18:05:15]

const &.

[tzik, 2011/10/11 04:53:57]

Done.

   virtual void DeleteOriginData(const GURL& origin,
                                 quota::StorageType type,
-                                DeletionCallback* callback) OVERRIDE;
+                                DeletionCallback callback) OVERRIDE;
 
  private:
   class GetOriginUsageTask;
@@ -61,16 +61,16 @@ class FileSystemQuotaClient : public quota::QuotaClient,
   class DeleteOriginTask;
 
   typedef std::pair<fileapi::FileSystemType, std::string> TypeAndHostOrOrigin;
-  typedef quota::CallbackQueueMap1<GetUsageCallback*,
+  typedef quota::CallbackQueueMap1<GetUsageCallback,
                                    TypeAndHostOrOrigin,
                                    int64
                                    > UsageCallbackMap;
-  typedef quota::CallbackQueueMap2<GetOriginsCallback*,
+  typedef quota::CallbackQueueMap2<GetOriginsCallback,
                                    fileapi::FileSystemType,
                                    const std::set<GURL>&,
                                    quota::StorageType
                                    > OriginsForTypeCallbackMap;
-  typedef quota::CallbackQueueMap2<GetOriginsCallback*,
+  typedef quota::CallbackQueueMap2<GetOriginsCallback,
                                    TypeAndHostOrOrigin,
                                    const std::set<GURL>&,
                                    quota::StorageType