Gather more debug info for the switch away from page id for titles and state.

content/public/common/page_state.cc

Index: content/public/common/page_state.cc
diff --git a/content/public/common/page_state.cc b/content/public/common/page_state.cc
index 9d100d31b626754d205874ebc42bcbd8754b8c38..6174a8452ce2bd4b434807eb74fc29caf9c7f271 100644
--- a/content/public/common/page_state.cc
+++ b/content/public/common/page_state.cc
@@ -5,6 +5,7 @@
 #include "content/public/common/page_state.h"
 
 #include "base/files/file_path.h"
+#include "base/logging.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/common/page_state_serialization.h"
 
@@ -119,6 +120,15 @@ const std::string& PageState::ToEncodedData() const {
   return data_;
 }
 
+std::string PageState::GetTopLevelUrlStringTemporaryForBug369661() const {
+  ExplodedPageState state;
+  CHECK(DecodePageState(data_, &state));
+
+  base::NullableString16& url_string = state.top.url_string;
+  CHECK(!url_string.is_null());
+  return base::UTF16ToUTF8(url_string.string());
+}
+
 std::vector<base::FilePath> PageState::GetReferencedFiles() const {
   std::vector<base::FilePath> results;