sandbox/win: Fix warnings found by clang chromium-style plugin on Windows.

sandbox/win/src/policy_low_level.h

 // Copyright (c) 2006-2008 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 SANDBOX_SRC_POLICY_LOW_LEVEL_H__
 #define SANDBOX_SRC_POLICY_LOW_LEVEL_H__
 
 #include <list>
 
 #include "base/basictypes.h"
@@ skipping 64 matching lines @@
   PolicyBuffer data[1];
 };
 
 class PolicyRule;
 
 // Provides the means to collect rules into a policy store (memory)
 class LowLevelPolicy {
  public:
   // policy_store: must contain allocated memory and the internal
   // size fields set to correct values.
-  explicit LowLevelPolicy(PolicyGlobal* policy_store)
-      : policy_store_(policy_store) {
-  }
+  explicit LowLevelPolicy(PolicyGlobal* policy_store);
 
   // Destroys all the policy rules.
   ~LowLevelPolicy();
 
   // Adds a rule to be generated when Done() is called.
   // service: The id of the service that this rule is associated with,
   // for example the 'Open Thread' service or the "Create File" service.
   // returns false on error.
   bool AddRule(int service, PolicyRule* rule);
 
@@ skipping 79 matching lines @@
                   char* data_start, size_t* data_size) const;
   PolicyBuffer* buffer_;
   OpcodeFactory* opcode_factory_;
   EvalResult action_;
   bool done_;
 };
 
 }  // namespace sandbox
 
 #endif  // SANDBOX_SRC_POLICY_LOW_LEVEL_H__