Implement GetUsageAndQuotaForEviction in QuotaManager.

webkit/quota/quota_manager.h

Index: webkit/quota/quota_manager.h
diff --git a/webkit/quota/quota_manager.h b/webkit/quota/quota_manager.h
index ff199d0716800b218dff1be6d7d7cec6457cf474..223d14cbec9a1802bfbcedce21088367eed79aa8 100644
--- a/webkit/quota/quota_manager.h
+++ b/webkit/quota/quota_manager.h
@@ -160,6 +160,7 @@ class QuotaManager : public QuotaTaskObserver,
 
   friend struct QuotaManagerDeleter;
   friend class QuotaManagerProxy;
+  friend class QuotaManagerTest;
 
   // This initialization method is lazily called on the IO thread
   // when the first quota manager API is called.
@@ -179,6 +180,14 @@ class QuotaManager : public QuotaTaskObserver,
   // Methods for eviction logic.
   void DeleteOriginFromDatabase(const GURL& origin, StorageType type);
 
+  void OnGetAvailableSpaceForEviction(
+      QuotaStatusCode status,
+      int64 available_space);
+  void OnGetGlobalQuotaForEviction(
+      QuotaStatusCode status,
+      int64 quota);
+  void OnGetGlobalUsageForEviction(int64 usage);
+
   virtual void GetLRUOrigin(
       StorageType type,
       GetLRUOriginCallback* callback) OVERRIDE;
@@ -205,6 +214,11 @@ class QuotaManager : public QuotaTaskObserver,
   scoped_ptr<UsageTracker> temporary_usage_tracker_;
   scoped_ptr<UsageTracker> persistent_usage_tracker_;
 
+  scoped_ptr<GetUsageAndQuotaForEvictionCallback>
+      get_usage_and_quota_for_eviction_callback_;
+  int64 usage_for_eviction_;
+  int64 quota_for_eviction_;
+
   UsageAndQuotaDispatcherTaskMap usage_and_quota_dispatchers_;
 
   int64 temporary_global_quota_;
@@ -213,6 +227,8 @@ class QuotaManager : public QuotaTaskObserver,
   // Map from origin to count.
   std::map<GURL, int> origins_in_use_;
 
+  base::ScopedCallbackFactory<QuotaManager> callback_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(QuotaManager);
 };