FBTF: Fix more ctor/dtors found by clang plugin.

gpu/command_buffer/service/id_manager.h

 // Copyright (c) 2010 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 GPU_COMMAND_BUFFER_SERVICE_ID_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_ID_MANAGER_H_
 
 #include <map>
 #include "base/basictypes.h"
 #include "gpu/command_buffer/service/gl_utils.h"
 
 namespace gpu {
 namespace gles2 {
 
 // This class maps one set of ids to another.
 //
 // NOTE: To support shared resources an instance of this class will
 // need to be shared by multiple GLES2Decoders.
 class IdManager {
  public:
-  IdManager() { }
+  IdManager();
+  ~IdManager();
 
   // Maps a client_id to a service_id. Return false if the client_id or
   // service_id are already mapped to something else.
   bool AddMapping(GLuint client_id, GLuint service_id);
 
   // Unmaps a pair of ids. Returns false if the pair were not previously mapped.
   bool RemoveMapping(GLuint client_id, GLuint service_id);
 
   // Gets the corresponding service_id for the given client_id.
   // Returns false if there is no corresponding service_id.
   bool GetServiceId(GLuint client_id, GLuint* service_id);
 
   // Gets the corresponding client_id for the given service_id.
   // Returns false if there is no corresponding client_id.
   bool GetClientId(GLuint service_id, GLuint* client_id);
 
  private:
   // TODO(gman): Replace with faster implementation.
   typedef std::map<GLuint, GLuint> MapType;
   MapType id_map_;
 
   DISALLOW_COPY_AND_ASSIGN(IdManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_ID_MANAGER_H_