Remove ChromeBrowserProvider::CreateInfoBarView() method.

ios/public/provider/chrome/browser/chrome_browser_provider.h

Index: ios/public/provider/chrome/browser/chrome_browser_provider.h
diff --git a/ios/public/provider/chrome/browser/chrome_browser_provider.h b/ios/public/provider/chrome/browser/chrome_browser_provider.h
index 305cfe0dd2df7cbf22f5ab4cc9c47f585096eaa3..7ba4ca52beadba34fa4e7a48b5925d94b595ee8d 100644
--- a/ios/public/provider/chrome/browser/chrome_browser_provider.h
+++ b/ios/public/provider/chrome/browser/chrome_browser_provider.h
@@ -20,7 +20,6 @@
 class AppDistributionProvider;
 class BrandedImageProvider;
 class GURL;
-class InfoBarViewDelegate;
 class OmahaServiceProvider;
 class PrefService;
 class SpotlightProvider;
@@ -91,11 +90,6 @@ class ChromeBrowserProvider {
   // Registers all prefs that will be used via a PrefService attached to a
   // Profile.
   virtual void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
-  // Returns an infobar view conforming to the InfoBarViewProtocol. The returned
-  // object is retained.
-  virtual InfoBarViewPlaceholder CreateInfoBarView(
-      CGRect frame,
-      InfoBarViewDelegate* delegate) NS_RETURNS_RETAINED;
   // Returns an instance of a signing error provider.
   virtual SigninErrorProvider* GetSigninErrorProvider();
   // Returns an instance of a signin resources provider.