Support "always allow" for runtime script execution

chrome/browser/extensions/extension_context_menu_model.h

Index: chrome/browser/extensions/extension_context_menu_model.h
diff --git a/chrome/browser/extensions/extension_context_menu_model.h b/chrome/browser/extensions/extension_context_menu_model.h
index a07d9d534fac896f25eae444bf455c9276b2a9b1..cd002127bf228dfab1f6785bfb1fbea3a7792b96 100644
--- a/chrome/browser/extensions/extension_context_menu_model.h
+++ b/chrome/browser/extensions/extension_context_menu_model.h
@@ -15,6 +15,10 @@ class Browser;
 class ExtensionAction;
 class Profile;
 
+namespace content {
+class WebContents;
+}
+
 namespace extensions {
 class Extension;
 }
@@ -28,6 +32,7 @@ class ExtensionContextMenuModel
  public:
   enum MenuEntries {
     NAME = 0,
+    ALWAYS_RUN,
     CONFIGURE,
     HIDE,
     UNINSTALL,
@@ -82,6 +87,9 @@ class ExtensionContextMenuModel
   // extension has been uninstalled and no longer exists.
   const extensions::Extension* GetExtension() const;
 
+  // Returns the active web contents.
+  content::WebContents* GetActiveWebContents() const;
+
   // A copy of the extension's id.
   std::string extension_id_;