Only show chrome2mobile in action box if it is enabled

chrome/browser/ui/cocoa/location_bar/plus_decoration.h

Index: chrome/browser/ui/cocoa/location_bar/plus_decoration.h
diff --git a/chrome/browser/ui/cocoa/location_bar/plus_decoration.h b/chrome/browser/ui/cocoa/location_bar/plus_decoration.h
index 8f35f5c3804fd93980761996dc50a137857d0806..6c71b506a469e84b2b840307d59fa57b2954d168 100644
--- a/chrome/browser/ui/cocoa/location_bar/plus_decoration.h
+++ b/chrome/browser/ui/cocoa/location_bar/plus_decoration.h
@@ -11,7 +11,6 @@
 #include "chrome/browser/ui/cocoa/location_bar/image_decoration.h"
 
 class Browser;
-class CommandUpdater;
 class LocationBarViewMac;
 
 // Note: this file is under development (see crbug.com/138118).
@@ -19,9 +18,7 @@ class LocationBarViewMac;
 // Plus icon on the right side of the location bar.
 class PlusDecoration : public ImageDecoration {
  public:
-  PlusDecoration(LocationBarViewMac* owner,
-      CommandUpdater* command_updater,
-      Browser* browser);
+  PlusDecoration(LocationBarViewMac* owner, Browser* browser);
   virtual ~PlusDecoration();
 
   // Helper to get where the action box menu and bubble point should be
@@ -37,8 +34,6 @@ class PlusDecoration : public ImageDecoration {
   // Owner of the decoration, used to obtain the menu.
   LocationBarViewMac* owner_;
 
-  CommandUpdater* command_updater_;  // Weak, owned by Browser.
-
   Browser* browser_;
 
   // The string to show for a tooltip.