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diff --git a/chromium/third_party/WebKit/Source/web/WebIDBMetadata.cpp b/chromium/third_party/WebKit/Source/web/WebIDBMetadata.cpp
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+++ b/chromium/third_party/WebKit/Source/web/WebIDBMetadata.cpp
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+/*
+ * Copyright (C) 2012 Google 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 AND ITS CONTRIBUTORS "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 OR ITS 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.
+ */
+
+#include "config.h"
+#include "public/platform/WebIDBMetadata.h"
+
+#include "public/platform/WebIDBKeyPath.h"
+#include "public/platform/WebString.h"
+#include "public/platform/WebVector.h"
+#include "modules/indexeddb/IDBMetadata.h"
+
+using namespace WebCore;
+
+namespace WebKit {
+
+WebIDBMetadata::WebIDBMetadata(const WebCore::IDBDatabaseMetadata& metadata)
+{
+    name = metadata.name;
+    version = metadata.version;
+    intVersion = metadata.intVersion;
+    objectStores = WebVector<ObjectStore>(static_cast<size_t>(metadata.objectStores.size()));
+    maxObjectStoreId = metadata.maxObjectStoreId;
+
+    size_t i = 0;
+    for (IDBDatabaseMetadata::ObjectStoreMap::const_iterator storeIterator = metadata.objectStores.begin(); storeIterator != metadata.objectStores.end(); ++storeIterator) {
+        const IDBObjectStoreMetadata& objectStore = storeIterator->value;
+        ObjectStore webObjectStore;
+        webObjectStore.id = objectStore.id;
+        webObjectStore.name = objectStore.name;
+        webObjectStore.keyPath = objectStore.keyPath;
+        webObjectStore.autoIncrement = objectStore.autoIncrement;
+        webObjectStore.indexes = WebVector<Index>(static_cast<size_t>(objectStore.indexes.size()));
+        webObjectStore.maxIndexId = objectStore.maxIndexId;
+
+        size_t j = 0;
+        for (IDBObjectStoreMetadata::IndexMap::const_iterator indexIterator = objectStore.indexes.begin(); indexIterator != objectStore.indexes.end(); ++indexIterator) {
+            const IDBIndexMetadata& index = indexIterator->value;
+            Index webIndex;
+            webIndex.id = index.id;
+            webIndex.name = index.name;
+            webIndex.keyPath = index.keyPath;
+            webIndex.unique = index.unique;
+            webIndex.multiEntry = index.multiEntry;
+            webObjectStore.indexes[j++] = webIndex;
+        }
+        objectStores[i++] = webObjectStore;
+    }
+}
+
+WebIDBMetadata::operator IDBDatabaseMetadata() const
+{
+    IDBDatabaseMetadata db(name, id, version, intVersion, maxObjectStoreId);
+    for (size_t i = 0; i < objectStores.size(); ++i) {
+        const ObjectStore webObjectStore = objectStores[i];
+        IDBObjectStoreMetadata objectStore(webObjectStore.name, webObjectStore.id, webObjectStore.keyPath, webObjectStore.autoIncrement, webObjectStore.maxIndexId);
+
+        for (size_t j = 0; j < webObjectStore.indexes.size(); ++j) {
+            const Index webIndex = webObjectStore.indexes[j];
+            IDBIndexMetadata index(webIndex.name, webIndex.id, webIndex.keyPath, webIndex.unique, webIndex.multiEntry);
+            objectStore.indexes.set(index.id, index);
+        }
+        db.objectStores.set(objectStore.id, objectStore);
+    }
+    return db;
+}
+
+} // namespace WebKit