Reapplies all the IPC system work (reverts the revert r56272).

chrome/common/common_param_traits.cc

Index: chrome/common/common_param_traits.cc
diff --git a/chrome/common/common_param_traits.cc b/chrome/common/common_param_traits.cc
index e655435c1243f5900a92e4fb9a08b5917fe8cab1..d6eb2cca341a325cf18095e7e0c2795a6bf7002c 100644
--- a/chrome/common/common_param_traits.cc
+++ b/chrome/common/common_param_traits.cc
@@ -407,6 +407,45 @@ void ParamTraits<Geoposition>::Log(const Geoposition& p, std::wstring* l) {
   LogParam(p.error_code, l);
 }
 
+void ParamTraits<webkit_glue::PasswordForm>::Write(Message* m,
+                                                   const param_type& p) {
+  WriteParam(m, p.signon_realm);
+  WriteParam(m, p.origin);
+  WriteParam(m, p.action);
+  WriteParam(m, p.submit_element);
+  WriteParam(m, p.username_element);
+  WriteParam(m, p.username_value);
+  WriteParam(m, p.password_element);
+  WriteParam(m, p.password_value);
+  WriteParam(m, p.old_password_element);
+  WriteParam(m, p.old_password_value);
+  WriteParam(m, p.ssl_valid);
+  WriteParam(m, p.preferred);
+  WriteParam(m, p.blacklisted_by_user);
+}
+
+bool ParamTraits<webkit_glue::PasswordForm>::Read(const Message* m, void** iter,
+                                                  param_type* p) {
+  return
+      ReadParam(m, iter, &p->signon_realm) &&
+      ReadParam(m, iter, &p->origin) &&
+      ReadParam(m, iter, &p->action) &&
+      ReadParam(m, iter, &p->submit_element) &&
+      ReadParam(m, iter, &p->username_element) &&
+      ReadParam(m, iter, &p->username_value) &&
+      ReadParam(m, iter, &p->password_element) &&
+      ReadParam(m, iter, &p->password_value) &&
+      ReadParam(m, iter, &p->old_password_element) &&
+      ReadParam(m, iter, &p->old_password_value) &&
+      ReadParam(m, iter, &p->ssl_valid) &&
+      ReadParam(m, iter, &p->preferred) &&
+      ReadParam(m, iter, &p->blacklisted_by_user);
+}
+void ParamTraits<webkit_glue::PasswordForm>::Log(const param_type& p,
+                                                 std::wstring* l) {
+  l->append(L"<PasswordForm>");
+}
+
 void ParamTraits<printing::PageRange>::Write(Message* m, const param_type& p) {
   WriteParam(m, p.from);
   WriteParam(m, p.to);