Remove stl_util from sync.

components/sync/syncable/entry_kernel.h

 // Copyright 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 COMPONENTS_SYNC_SYNCABLE_ENTRY_KERNEL_H_
 #define COMPONENTS_SYNC_SYNCABLE_ENTRY_KERNEL_H_
 
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 364 matching lines @@
   // Note: |cryptographer| is an optional parameter for use in decrypting
   // encrypted specifics. If it is NULL or the specifics are not decryptsble,
   // they will be serialized as empty proto's.
   base::DictionaryValue* ToValue(Cryptographer* cryptographer) const;
 
  private:
   // Tracks whether this entry needs to be saved to the database.
   bool dirty_;
 };
 
+template <typename T>
 class EntryKernelLessByMetaHandle {
  public:
-  inline bool operator()(const EntryKernel* a, const EntryKernel* b) const {
+  inline bool operator()(T a, T b) const {
     return a->ref(META_HANDLE) < b->ref(META_HANDLE);
   }
 };
 
-typedef std::set<const EntryKernel*, EntryKernelLessByMetaHandle>
+typedef std::set<const EntryKernel*,
+                 EntryKernelLessByMetaHandle<const EntryKernel*>>
     EntryKernelSet;
 
+typedef std::set<
+    std::unique_ptr<EntryKernel>,
+    EntryKernelLessByMetaHandle<const std::unique_ptr<EntryKernel>&>>
+    OwnedEntryKernelSet;
+
 struct EntryKernelMutation {
   EntryKernel original, mutated;
 };
 
 typedef std::map<int64_t, EntryKernelMutation> EntryKernelMutationMap;
 
 typedef Immutable<EntryKernelMutationMap> ImmutableEntryKernelMutationMap;
 
 std::unique_ptr<base::DictionaryValue> EntryKernelMutationToValue(
     const EntryKernelMutation& mutation);
 
 std::unique_ptr<base::ListValue> EntryKernelMutationMapToValue(
     const EntryKernelMutationMap& mutations);
 
 std::ostream& operator<<(std::ostream& os, const EntryKernel& entry_kernel);
 
 }  // namespace syncable
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_SYNCABLE_ENTRY_KERNEL_H_