Improve the UI for handling profile lock contention.

chrome/browser/ui/gtk/process_singleton_dialog.h

Index: chrome/browser/ui/gtk/process_singleton_dialog.h
diff --git a/chrome/browser/ui/gtk/process_singleton_dialog.h b/chrome/browser/ui/gtk/process_singleton_dialog.h
index e62ec6778710acdf7f9505c27c45a292326ac7d4..3bfb4b495934f9c42f239fad45b40cae5215d66a 100644
--- a/chrome/browser/ui/gtk/process_singleton_dialog.h
+++ b/chrome/browser/ui/gtk/process_singleton_dialog.h
@@ -8,6 +8,7 @@
 #include <string>
 
 #include "base/basictypes.h"
+#include "base/files/file_path.h"
 #include "ui/base/gtk/gtk_signal.h"
 
 typedef struct _GtkWidget GtkWidget;
@@ -18,14 +19,19 @@ typedef struct _GtkWidget GtkWidget;
 class ProcessSingletonDialog {
  public:
   // Shows the dialog, and returns once the dialog has been closed.
-  static void ShowAndRun(const std::string& message);
+  static bool ShowAndRun(const std::string& message,
+                         const std::string& relaunch_text);
+
+  int GetResponseId() const { return response_id_; }
 
  private:
-  explicit ProcessSingletonDialog(const std::string& message);
+  ProcessSingletonDialog(const std::string& message,
+                         const std::string& relaunch_text);
 
   CHROMEGTK_CALLBACK_1(ProcessSingletonDialog, void, OnResponse, int);
 
   GtkWidget* dialog_;
+  int response_id_;
 
   DISALLOW_COPY_AND_ASSIGN(ProcessSingletonDialog);
 };