Introduce content::PageState

content/browser/renderer_host/render_view_host_impl.cc

Index: content/browser/renderer_host/render_view_host_impl.cc
diff --git a/content/browser/renderer_host/render_view_host_impl.cc b/content/browser/renderer_host/render_view_host_impl.cc
index d58153825979d290d45eba8596ece0956363ee44..2c2839b078bc70943a97bbc10def39277612f9cf 100644
--- a/content/browser/renderer_host/render_view_host_impl.cc
+++ b/content/browser/renderer_host/render_view_host_impl.cc
@@ -67,7 +67,6 @@
 #include "ui/shell_dialogs/selected_file_info.h"
 #include "ui/snapshot/snapshot.h"
 #include "webkit/fileapi/isolated_context.h"
-#include "webkit/glue/glue_serialize.h"
 #include "webkit/glue/webdropdata.h"
 #include "webkit/glue/webkit_glue.h"
 
@@ -1234,7 +1233,7 @@ void RenderViewHostImpl::OnNavigate(const IPC::Message& msg) {
 
   // Without this check, the renderer can trick the browser into using
   // filenames it can't access in a future session restore.
-  if (!CanAccessFilesOfSerializedState(validated_params.content_state)) {
+  if (!CanAccessFilesOfPageState(validated_params.page_state)) {
     GetProcess()->ReceivedBadMessage();
     return;
   }
@@ -1242,11 +1241,10 @@ void RenderViewHostImpl::OnNavigate(const IPC::Message& msg) {
   delegate_->DidNavigate(this, validated_params);
 }
 
-void RenderViewHostImpl::OnUpdateState(int32 page_id,
-                                       const std::string& state) {
+void RenderViewHostImpl::OnUpdateState(int32 page_id, const PageState& state) {
   // Without this check, the renderer can trick the browser into using
   // filenames it can't access in a future session restore.
-  if (!CanAccessFilesOfSerializedState(state)) {
+  if (!CanAccessFilesOfPageState(state)) {
     GetProcess()->ReceivedBadMessage();
     return;
   }
@@ -2073,12 +2071,12 @@ void RenderViewHostImpl::ClearPowerSaveBlockers() {
   STLDeleteValues(&power_save_blockers_);
 }
 
-bool RenderViewHostImpl::CanAccessFilesOfSerializedState(
-    const std::string& state) const {
+bool RenderViewHostImpl::CanAccessFilesOfPageState(
+    const PageState& state) const {
   ChildProcessSecurityPolicyImpl* policy =
       ChildProcessSecurityPolicyImpl::GetInstance();
-  const std::vector<base::FilePath>& file_paths =
-      webkit_glue::FilePathsFromHistoryState(state);
+
+  const std::vector<base::FilePath>& file_paths = state.GetReferencedFiles();
   for (std::vector<base::FilePath>::const_iterator file = file_paths.begin();
        file != file_paths.end(); ++file) {
     if (!policy->CanReadFile(GetProcess()->GetID(), *file))