Completely revert all my IPC work to see if this was what regressed the page cycler.

chrome/common/common_param_traits.cc

 // 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.
 
 #include "chrome/common/common_param_traits.h"
 
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/content_settings.h"
 #include "chrome/common/thumbnail_score.h"
 #include "gfx/rect.h"
@@ skipping 389 matching lines @@
           L"%.6f %.6f %.6f %.6f "
           L"%.6f %.6f %.6f ",
           p.latitude, p.longitude, p.accuracy, p.altitude,
           p.altitude_accuracy, p.speed, p.heading));
   LogParam(p.timestamp, l);
   l->append(L" ");
   l->append(UTF8ToWide(p.error_message));
   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);
 }
 
 bool ParamTraits<printing::PageRange>::Read(
     const Message* m, void** iter, param_type* p) {
   return ReadParam(m, iter, &p->from) &&
          ReadParam(m, iter, &p->to);
 }
@@ skipping 29 matching lines @@
          p->Init(&buffer.front(), static_cast<uint32>(buffer.size()));
 #endif  // defined(OS_WIN)
 }
 
 void ParamTraits<printing::NativeMetafile>::Log(
     const param_type& p, std::wstring* l) {
   l->append(StringPrintf(L"<printing::NativeMetafile>"));
 }
 
 }  // namespace IPC