Exclude in-use origins from storage evictions for all QuotaEvictionPolicies.

storage/browser/quota/quota_manager.h

Index: storage/browser/quota/quota_manager.h
diff --git a/storage/browser/quota/quota_manager.h b/storage/browser/quota/quota_manager.h
index da280277cf98a90bb0b7cc15f9d555dafdf8959f..2729f6425abfc63efc3fc2ee0191f2f478cf1552 100644
--- a/storage/browser/quota/quota_manager.h
+++ b/storage/browser/quota/quota_manager.h
@@ -83,6 +83,7 @@ class STORAGE_EXPORT QuotaEvictionPolicy {
   // are no evictable origins.
   virtual void GetEvictionOrigin(
       const scoped_refptr<SpecialStoragePolicy>& special_storage_policy,
+      const std::set<GURL>& exceptions,
       const GetOriginCallback& callback) = 0;
 };
 
@@ -380,6 +381,7 @@ class STORAGE_EXPORT QuotaManager
   void DidGetPersistentGlobalUsageForHistogram(int64 usage,
                                                int64 unlimited_usage);
 
+  std::set<GURL> GetEvictionOriginExceptions();
   void DidGetEvictionOrigin(const GetOriginCallback& callback,
                             const GURL& origin);