Pepper: Remove program_url in trusted plugin.

components/nacl/renderer/nexe_load_manager.h

Index: components/nacl/renderer/nexe_load_manager.h
diff --git a/components/nacl/renderer/nexe_load_manager.h b/components/nacl/renderer/nexe_load_manager.h
index 84ba0bf0bfb86c7fa965fea672a2dca849b8a106..9ecbe6710c80cd06b1785cdb05bf832c742ee636 100644
--- a/components/nacl/renderer/nexe_load_manager.h
+++ b/components/nacl/renderer/nexe_load_manager.h
@@ -110,6 +110,8 @@ class NexeLoadManager {
     pnacl_start_time_ = time;
   }
 
+  const std::string& program_url() const { return program_url_; }
+
  private:
   DISALLOW_COPY_AND_ASSIGN(NexeLoadManager);
 
@@ -122,6 +124,8 @@ class NexeLoadManager {
   PP_NaClReadyState nacl_ready_state_;
   bool nexe_error_reported_;
 
+  std::string program_url_;
+
   // A flag indicating if the NaCl executable is being loaded from an installed
   // application.  This flag is used to bucket UMA statistics more precisely to
   // help determine whether nexe loading problems are caused by networking