Move the offline URL trimming to GetFormattedURL.

ios/chrome/browser/ui/toolbar/toolbar_model_ios.h

Index: ios/chrome/browser/ui/toolbar/toolbar_model_ios.h
diff --git a/ios/chrome/browser/ui/toolbar/toolbar_model_ios.h b/ios/chrome/browser/ui/toolbar/toolbar_model_ios.h
index b8c1780b1b3a9496344439c2249d17dffc038a37..b4712710cef88da4a7b39555c8fbcad67f5496c9 100644
--- a/ios/chrome/browser/ui/toolbar/toolbar_model_ios.h
+++ b/ios/chrome/browser/ui/toolbar/toolbar_model_ios.h
@@ -9,13 +9,8 @@
 
 #include "components/toolbar/toolbar_model.h"
 
-class ToolbarModelIOS {
+class ToolbarModelIOS : public ToolbarModel {
  public:
-  virtual ~ToolbarModelIOS() {}
-
-  // Returns the |ToolbarModel| contained by this instance.
-  virtual ToolbarModel* GetToolbarModel() = 0;
-
   // Returns true if the current tab is currently loading.
   virtual bool IsLoading() = 0;