[Material][Mac] Implement Omnibox Verbose State Chips

components/toolbar/toolbar_model.h

Index: components/toolbar/toolbar_model.h
diff --git a/components/toolbar/toolbar_model.h b/components/toolbar/toolbar_model.h
index afc86a9c1e9bfb238d4c9a872165b337b5401664..8f68ea0715d2f7fdf93d421e8a23c3908f8d94c5 100644
--- a/components/toolbar/toolbar_model.h
+++ b/components/toolbar/toolbar_model.h
@@ -74,6 +74,9 @@ class ToolbarModel {
   // Like GetIcon(), but gets the vector asset ID.
   virtual gfx::VectorIconId GetVectorIcon() const = 0;
 
+  // Returns text for the omnibox security verbose state chip.
+  virtual base::string16 GetSecurityVerboseText() const = 0;
+
   // Returns the name of the EV cert holder.  This returns an empty string if
   // the security level is not EV_SECURE.
   virtual base::string16 GetEVCertName() const = 0;