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diff --git a/WebKit/mac/Misc/WebQuotaManager.h b/WebKit/mac/Misc/WebQuotaManager.h
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+/*
+ * Copyright (C) 2010 Apple Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+@class WebSecurityOrigin;
+
+/*!
+    @protocol WebQuotaManager
+    @discussion This protocol is used to view and manipulate a per-origin storage quota.
+*/
+@protocol WebQuotaManager
+
+/*!
+    @method initWithOrigin:
+    @param The security origin this will manage.
+    @result A new WebQuotaManager object.
+*/
+- (id)initWithOrigin:(WebSecurityOrigin *)origin;
+
+/*!
+    @method origin
+    @result The security origin this manager is managing.
+*/
+- (WebSecurityOrigin *)origin;
+
+/*!
+    @method usage
+    @result The current total usage of all relevant items in this security origin in bytes.
+*/
+- (unsigned long long)usage;
+
+/*!
+    @method quota
+    @result The current quota of security origin in bytes.
+*/
+- (unsigned long long)quota;
+
+/*!
+    @method setQuota:
+    @param Sets a new quota, in bytes, on this security origin.
+*/
+- (void)setQuota:(unsigned long long)quota;
+
+@end