Introduce content::PageState (again).

content/public/common/common_param_traits.cc

 // Copyright (c) 2012 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 "content/public/common/common_param_traits.h"
 
 #include "content/public/common/content_constants.h"
+#include "content/public/common/page_state.h"
 #include "content/public/common/referrer.h"
 #include "net/base/host_port_pair.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/rect_f.h"
 
 namespace {
 
 struct SkBitmap_Data {
   // The configuration for the bitmap (bits per pixel, etc).
@@ skipping 81 matching lines @@
 
   r->set_host(host);
   r->set_port(port);
   return true;
 }
 
 void ParamTraits<net::HostPortPair>::Log(const param_type& p, std::string* l) {
   l->append(p.ToString());
 }
 
+void ParamTraits<content::PageState>::Write(
+    Message* m, const param_type& p) {
+  WriteParam(m, p.ToEncodedData());
+}
+
+bool ParamTraits<content::PageState>::Read(
+    const Message* m, PickleIterator* iter, param_type* r) {
+  std::string data;
+  if (!ReadParam(m, iter, &data))
+    return false;
+  *r = content::PageState::CreateFromEncodedData(data);
+  return true;
+}
+
+void ParamTraits<content::PageState>::Log(
+    const param_type& p, std::string* l) {
+  l->append("(");
+  LogParam(p.ToEncodedData(), l);
+  l->append(")");
+}
+
 void ParamTraits<content::Referrer>::Write(
     Message* m, const param_type& p) {
   WriteParam(m, p.url);
   WriteParam(m, p.policy);
 }
 
 bool ParamTraits<content::Referrer>::Read(
     const Message* m, PickleIterator* iter, param_type* r) {
   return ReadParam(m, iter, &r->url) && ReadParam(m, iter, &r->policy);
 }
@@ skipping 241 matching lines @@
 #undef CONTENT_PUBLIC_COMMON_COMMON_PARAM_TRAITS_MACROS_H_
 #include "content/public/common/common_param_traits_macros.h"
 }  // namespace IPC
 
 // Generate param traits log methods.
 #include "ipc/param_traits_log_macros.h"
 namespace IPC {
 #undef CONTENT_PUBLIC_COMMON_COMMON_PARAM_TRAITS_MACROS_H_
 #include "content/public/common/common_param_traits_macros.h"
 }  // namespace IPC