Removed CRWSessionEntry unittests.

ios/web/navigation/navigation_item_impl.mm

Index: ios/web/navigation/navigation_item_impl.mm
diff --git a/ios/web/navigation/navigation_item_impl.mm b/ios/web/navigation/navigation_item_impl.mm
index 6cf8acae479a55ba722916c83347365a622507ac..cbc41a797389d86be403bcc18e77beca4f1ef2ed 100644
--- a/ios/web/navigation/navigation_item_impl.mm
+++ b/ios/web/navigation/navigation_item_impl.mm
@@ -10,6 +10,7 @@
 #include <utility>
 
 #include "base/logging.h"
+#include "base/strings/utf_string_conversions.h"
 #include "components/url_formatter/url_formatter.h"
 #import "ios/web/navigation/navigation_manager_impl.h"
 #import "ios/web/public/web_client.h"
@@ -316,4 +317,17 @@ static int GetUniqueIDInConstructor() {
   return title;
 }
 
+#ifndef NDEBUG
+NSString* NavigationItemImpl::GetDescription() const {
+  return [NSString
+      stringWithFormat:
+          @"url:%s originalurl:%s title:%s transition:%d displayState:%@ "
+          @"userAgentType:%s",
+          url_.spec().c_str(), original_request_url_.spec().c_str(),
+          base::UTF16ToUTF8(title_).c_str(), transition_type_,
+          page_display_state_.GetDescription(),
+          GetUserAgentTypeDescription(user_agent_type_).c_str()];
+}
+#endif
+
 }  // namespace web