Remove ChromeBrowserProvider::CreateInfoBarView() method.

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

Index: ios/public/provider/chrome/browser/chrome_browser_provider.mm
diff --git a/ios/public/provider/chrome/browser/chrome_browser_provider.mm b/ios/public/provider/chrome/browser/chrome_browser_provider.mm
index 95d9aec4a371a6c62f0bb6311346017a66326f3d..9e857956dfba2f594a393749065e26d8ec0c443e 100644
--- a/ios/public/provider/chrome/browser/chrome_browser_provider.mm
+++ b/ios/public/provider/chrome/browser/chrome_browser_provider.mm
@@ -24,12 +24,12 @@ ChromeBrowserProvider* GetChromeBrowserProvider() {
   return g_chrome_browser_provider;
 }
 
-ChromeBrowserProvider::~ChromeBrowserProvider() {}
-
 // A dummy implementation of ChromeBrowserProvider.
 
 ChromeBrowserProvider::ChromeBrowserProvider() {}
 
+ChromeBrowserProvider::~ChromeBrowserProvider() {}
+
 void ChromeBrowserProvider::Initialize() const {}
 
 void ChromeBrowserProvider::AssertBrowserContextKeyedFactoriesBuilt() {}
@@ -37,12 +37,6 @@ void ChromeBrowserProvider::AssertBrowserContextKeyedFactoriesBuilt() {}
 void ChromeBrowserProvider::RegisterProfilePrefs(
     user_prefs::PrefRegistrySyncable* registry) {}
 
-InfoBarViewPlaceholder ChromeBrowserProvider::CreateInfoBarView(
-    CGRect frame,
-    InfoBarViewDelegate* delegate) {
-  return nullptr;
-}
-
 SigninErrorProvider* ChromeBrowserProvider::GetSigninErrorProvider() {
   return nullptr;
 }