Refactoring Reload in NavigationManager and CRWWebController.

ios/web/navigation/navigation_manager_delegate.h

Index: ios/web/navigation/navigation_manager_delegate.h
diff --git a/ios/web/navigation/navigation_manager_delegate.h b/ios/web/navigation/navigation_manager_delegate.h
index 6aee6c4f0a98f0b00d4ed8210fcdc9e0282f518d..7d01285c2dda8f306cbcdb75e9d337f118c40fe6 100644
--- a/ios/web/navigation/navigation_manager_delegate.h
+++ b/ios/web/navigation/navigation_manager_delegate.h
@@ -27,6 +27,9 @@ class NavigationManagerDelegate {
   // Instructs the delegate to load the URL.
   virtual void LoadURLWithParams(const NavigationManager::WebLoadParams&) = 0;
 
+  // Informs that delegate to reload.

[Eugene But (OOO till 7-30), 2017/03/16 18:39:04]

Instructs the delegate to reload.

[liaoyuke, 2017/03/17 17:59:21]

Done.

+  virtual void Reload() = 0;
+
   // Informs the delegate that committed navigation items have been pruned.
   virtual void OnNavigationItemsPruned(size_t pruned_item_count) = 0;