[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 20 matching lines @@
 class Rect;
 class Size;
 }  // namespace gfx
 
 namespace net {
 class HttpResponseHeaders;
 class HostPortPair;
 class UploadData;
 }
 
+namespace ui {
+class Range;
+}
+
 namespace IPC {
 
 template <>
 struct ParamTraits<GURL> {
   typedef GURL 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);
 };
 
@@ skipping 107 matching lines @@
       NOTREACHED();
     }
     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);
+};
+
 #if defined(OS_WIN)
 template<>
 struct ParamTraits<TransportDIB::Id> {
   typedef TransportDIB::Id param_type;
   static void Write(Message* m, const param_type& p) {
     WriteParam(m, p.handle);
     WriteParam(m, p.sequence_num);
   }
   static bool Read(const Message* m, void** iter, param_type* r) {
     return (ReadParam(m, iter, &r->handle) &&
@@ skipping 35 matching lines @@
   // Note: This function expects parameter |r| to be of type &SkBitmap since
   // r->SetConfig() and r->SetPixels() are called.
   static bool Read(const Message* m, void** iter, param_type* r);
 
   static void Log(const param_type& p, std::string* l);
 };
 
 }  // namespace IPC
 
 #endif  // CONTENT_COMMON_COMMON_PARAM_TRAITS_H_