Initial refactor to get profiles to propagate storage partition details.

chrome/browser/profiles/storage_partition_descriptor.h

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_PROFILES_STORAGE_PARTITION_DESCRIPTOR_H_
+#define CHROME_BROWSER_PROFILES_STORAGE_PARTITION_DESCRIPTOR_H_
+
+#include "base/file_path.h"
+#include "base/hash_tables.h"
+
+// This structure combines a StoragePartition's on-disk path and a boolean for
+// whether the partition should be persisted on disk. Its purpose is to serve as
+// a unique key to look up RequestContext objects in the ProfileIOData derived
+// classes.
+struct StoragePartitionDescriptor {
+  StoragePartitionDescriptor(const FilePath& partition_path,
+                             const bool in_memory_only)
+    : path(partition_path),
+      in_memory(in_memory_only) {}
+
+  const FilePath path;
+  const bool in_memory;
+};
+
+// Functor for operator <.
+struct StoragePartitionDescriptorLess {
+  bool operator()(const StoragePartitionDescriptor& lhs,
+                  const StoragePartitionDescriptor& rhs) const {
+    if (lhs.path != rhs.path)
+      return lhs.path < rhs.path;
+    else if (lhs.in_memory != rhs.in_memory)
+      return lhs.in_memory < rhs.in_memory;
+    else
+      return false;
+  }
+};
+
+#endif  // CHROME_BROWSER_PROFILES_STORAGE_PARTITION_DESCRIPTOR_H_