[Extensions Toolbar] Make the ExtensionToolbarModel icon count more stable

chrome/browser/ui/toolbar/toolbar_actions_bar_delegate.h

Index: chrome/browser/ui/toolbar/toolbar_actions_bar_delegate.h
diff --git a/chrome/browser/ui/toolbar/toolbar_actions_bar_delegate.h b/chrome/browser/ui/toolbar/toolbar_actions_bar_delegate.h
index a6da74b4400644a60bb9052c5c84dbe5c76a9703..65ad3cf21ce225cd132b0f2a8ef3fed6cbc5c92f 100644
--- a/chrome/browser/ui/toolbar/toolbar_actions_bar_delegate.h
+++ b/chrome/browser/ui/toolbar/toolbar_actions_bar_delegate.h
@@ -16,6 +16,9 @@ class ToolbarActionsBarDelegate {
  public:
   virtual ~ToolbarActionsBarDelegate() {}
 
+  // Returns true if the delegate is ready to start adding views.
+  virtual bool IsReady() const = 0;

[Peter Kasting, 2014/11/14 21:31:58]

Nit: Maybe IsReadyToAddViews()?

[Devlin, 2014/11/14 22:00:37]

Sure. Done.

+
   // Adds a view for the given |action| at |index|.
   virtual void AddViewForAction(ToolbarActionViewController* action,
                                 size_t index) = 0;