[Mac] Implement the system dictionary popup by implementing NSTextInput methods.

content/common/common_param_traits.h

 // Copyright (c) 2011 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.
 
 // This file is used to define IPC::ParamTraits<> specializations for a number
 // of types so that they can be serialized over IPC.  IPC::ParamTraits<>
 // specializations for basic types (like int and std::string) and types in the
 // 'base' project can be found in ipc/ipc_message_utils.h.  This file contains
 // specializations for types that are used by the content code, and which need
 // manual serialization code.  This is usually because they're not structs with
@@ skipping 27 matching lines @@
 class Rect;
 class Size;
 }  // namespace gfx
 
 namespace net {
 class HttpResponseHeaders;
 class HostPortPair;
 class UploadData;
 }
 
+namespace ui {
+class Range;
+}
+
 namespace webkit_glue {
 struct PasswordForm;
 struct ResourceDevToolsInfo;
 struct ResourceLoadTimingInfo;
 }
 
 // Define the NPVariant_Param struct and its enum here since it needs manual
 // serialization code.
 enum NPVariant_ParamEnum {
   NPVARIANT_PARAM_VOID,
@@ skipping 167 matching lines @@
     }
     return result;
 #endif
   }
   static void Log(const param_type& p, std::string* l) {
     l->append("<gfx::NativeWindow>");
   }
 };
 
 template <>
+struct ParamTraits<ui::Range> {
+  typedef ui::Range param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* r);
+  static void Log(const param_type& p, std::string* l);
+};
+
+template <>
 struct ParamTraits<scoped_refptr<webkit_blob::BlobData > > {
   typedef scoped_refptr<webkit_blob::BlobData> param_type;
   static void Write(Message* m, const param_type& p);
   static bool Read(const Message* m, void** iter, param_type* r);
   static void Log(const param_type& p, std::string* l);
 };
 
 template <>
 struct ParamTraits<NPVariant_Param> {
   typedef NPVariant_Param param_type;
@@ skipping 182 matching lines @@
 struct ParamTraits<webkit_glue::PasswordForm> {
   typedef webkit_glue::PasswordForm param_type;
   static void Write(Message* m, const param_type& p);
   static bool Read(const Message* m, void** iter, param_type* p);
   static void Log(const param_type& p, std::string* l);
 };
 
 }  // namespace IPC
 
 #endif  // CONTENT_COMMON_COMMON_PARAM_TRAITS_H_