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

content/common/common_param_traits.h

Index: content/common/common_param_traits.h
diff --git a/content/common/common_param_traits.h b/content/common/common_param_traits.h
index cc60d5d4ae3fb5f248fd3c9cd9a0b3e5f31579b8..2c68f1a10fcf6178c120da9b362199b490bcb5a0 100644
--- a/content/common/common_param_traits.h
+++ b/content/common/common_param_traits.h
@@ -45,6 +45,10 @@ class HostPortPair;
 class UploadData;
 }
 
+namespace ui {
+class Range;
+}
+
 namespace webkit_glue {
 struct PasswordForm;
 struct ResourceDevToolsInfo;
@@ -232,6 +236,14 @@ struct ParamTraits<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);