Make ChromotingHost::ui_strings() immutable.

remoting/host/continue_window_linux.cc

Index: remoting/host/continue_window_linux.cc
diff --git a/remoting/host/continue_window_linux.cc b/remoting/host/continue_window_linux.cc
index 3933f21ac41c38083f7f410f3c6181aa86503208..f170e933f490c94486b590d31d0d8ad9c5613dff 100644
--- a/remoting/host/continue_window_linux.cc
+++ b/remoting/host/continue_window_linux.cc
@@ -25,7 +25,7 @@ class ContinueWindowLinux : public remoting::ContinueWindow {
  private:
   CHROMEGTK_CALLBACK_1(ContinueWindowLinux, void, OnResponse, int);
 
-  void CreateWindow(UiStrings* ui_strings);
+  void CreateWindow(const UiStrings& ui_strings);
 
   ChromotingHost* host_;
   GtkWidget* continue_window_;
@@ -41,15 +41,15 @@ ContinueWindowLinux::ContinueWindowLinux()
 ContinueWindowLinux::~ContinueWindowLinux() {
 }
 
-void ContinueWindowLinux::CreateWindow(UiStrings* ui_strings) {
+void ContinueWindowLinux::CreateWindow(const UiStrings& ui_strings) {
   if (continue_window_) return;
 
   continue_window_ = gtk_dialog_new_with_buttons(
-      ui_strings->product_name.c_str(),
+      ui_strings.product_name.c_str(),
       NULL,
       static_cast<GtkDialogFlags>(GTK_DIALOG_MODAL | GTK_DIALOG_NO_SEPARATOR),
-      ui_strings->stop_sharing_button_text.c_str(), GTK_RESPONSE_CANCEL,
-      ui_strings->continue_button_text.c_str(), GTK_RESPONSE_OK,
+      ui_strings.stop_sharing_button_text.c_str(), GTK_RESPONSE_CANCEL,
+      ui_strings.continue_button_text.c_str(), GTK_RESPONSE_OK,
       NULL);
 
   gtk_dialog_set_default_response(GTK_DIALOG(continue_window_),
@@ -66,7 +66,7 @@ void ContinueWindowLinux::CreateWindow(UiStrings* ui_strings) {
   GtkWidget* content_area =
       gtk_dialog_get_content_area(GTK_DIALOG(continue_window_));
 
-  GtkWidget* text_label = gtk_label_new(ui_strings->continue_prompt.c_str());
+  GtkWidget* text_label = gtk_label_new(ui_strings.continue_prompt.c_str());
   gtk_label_set_line_wrap(GTK_LABEL(text_label), TRUE);
   // TODO(lambroslambrou): Fix magic numbers, as in disconnect_window_linux.cc.
   gtk_misc_set_padding(GTK_MISC(text_label), 12, 12);