Complete WebStateObserverBridge and follow Cocoa naming style.

ios/web/public/web_state/web_state_observer.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef IOS_WEB_PUBLIC_WEB_STATE_WEB_STATE_OBSERVER_H_
 #define IOS_WEB_PUBLIC_WEB_STATE_WEB_STATE_OBSERVER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 
+class GURL;
+
 namespace web {
 
 struct FaviconURL;
 struct LoadCommittedDetails;
 class WebState;
 class WebStateImpl;
 
 enum class PageLoadCompletionStatus : bool { SUCCESS = 0, FAILURE = 1 };
 
 // An observer API implemented by classes which are interested in various page
@@ skipping 14 matching lines @@
   virtual void NavigationItemCommitted(
       const LoadCommittedDetails& load_details) {}
 
   // Called when the current page is loaded.
   virtual void PageLoaded(PageLoadCompletionStatus load_completion_status) {}
 
   // Called when the interstitial is dismissed by the user.
   virtual void InsterstitialDismissed() {}
 
   // Called on URL hash change events.
-  virtual void URLHashChanged() {}
+  virtual void UrlHashChanged() {}
 
   // Called on history state change events.
   virtual void HistoryStateChanged() {}
 
-  // Called on form submission. |user_interaction| is true if the user
+  // Called on form submission. |user_initiated| is true if the user
   // interacted with the page.
   virtual void DocumentSubmitted(const std::string& form_name,
-                                 bool user_interaction) {}
+                                 bool user_initiated) {}
 
   // Called when the user is typing on a form field, with |error| indicating if
   // there is any error when parsing the form field information.
   // |key_code| may be kInvalidFormKeyCode if there is no key code.
   virtual void FormActivityRegistered(const std::string& form_name,
                                       const std::string& field_name,
                                       const std::string& type,
                                       const std::string& value,
                                       int key_code,
-                                      bool error) {}
+                                      bool input_missing) {}
 
-  // Invoked when new FaviconURL candidates are received.
-  virtual void FaviconURLUpdated(const std::vector<FaviconURL>& candidates) {}
+  // Notifies the observer that the requestAutocomplete API was invoked from
+  // |source_url| for the form with the specified |form_name|.
+  // |user_initiated| indicates whether the API was invoked in response to a
+  // user interaction.
+  virtual void AutocompleteRequested(const GURL& source_url,
+                                     const std::string& form_name,
+                                     bool user_initiated) {}
+
+  // Invoked when new favicon URL candidates are received.
+  virtual void FaviconUrlUpdated(const std::vector<FaviconURL>& candidates) {}
 
   // Invoked when the WebState is being destroyed. Gives subclasses a chance
   // to cleanup.
   virtual void WebStateDestroyed() {}
 
  protected:
   // Use this constructor when the object is tied to a single WebState for
   // its entire lifetime.
   explicit WebStateObserver(WebState* web_state);
 
@@ skipping 14 matching lines @@
   void ResetWebState();
 
   WebState* web_state_;
 
   DISALLOW_COPY_AND_ASSIGN(WebStateObserver);
 };
 
 }  // namespace web
 
 #endif  // IOS_WEB_PUBLIC_WEB_STATE_WEB_STATE_OBSERVER_H_