Disabled context menu for external component extension icon on MAC (to be consistent with Windows).

chrome/browser/ui/cocoa/extensions/browser_action_button.mm

Index: chrome/browser/ui/cocoa/extensions/browser_action_button.mm
diff --git a/chrome/browser/ui/cocoa/extensions/browser_action_button.mm b/chrome/browser/ui/cocoa/extensions/browser_action_button.mm
index 6879d92b07715b6dd6afb073c881072f8904aaab..7cd63feb945ff2eefd754f42cadafef2b5c57e43 100644
--- a/chrome/browser/ui/cocoa/extensions/browser_action_button.mm
+++ b/chrome/browser/ui/cocoa/extensions/browser_action_button.mm
@@ -149,14 +149,16 @@ class ExtensionActionIconFactoryBridge
     [self setButtonType:NSMomentaryChangeButton];
     [self setShowsBorderOnlyWhileMouseInside:YES];
 
-    contextMenuController_.reset([[ExtensionActionContextMenuController alloc]
-        initWithExtension:extension
-                  browser:browser
-          extensionAction:browser_action]);
-    base::scoped_nsobject<NSMenu> contextMenu(
-        [[NSMenu alloc] initWithTitle:@""]);
-    [contextMenu setDelegate:self];
-    [self setMenu:contextMenu];
+    if (extension->ShowConfigureContextMenus()) {
+      contextMenuController_.reset([[ExtensionActionContextMenuController alloc]
+          initWithExtension:extension
+                    browser:browser
+            extensionAction:browser_action]);
+      base::scoped_nsobject<NSMenu> contextMenu(
+          [[NSMenu alloc] initWithTitle:@""]);
+      [contextMenu setDelegate:self];
+      [self setMenu:contextMenu];
+    }
 
     tabId_ = tabId;
     extension_ = extension;