Complete WebStateObserverBridge and follow Cocoa naming style.

ios/chrome/browser/autofill/form_suggestion_controller.mm

 // 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.
 
 #import "ios/chrome/browser/autofill/form_suggestion_controller.h"
 
 #include "base/ios/weak_nsobject.h"
 #include "base/mac/foundation_util.h"
 #include "base/mac/scoped_block.h"
 #include "base/mac/scoped_nsobject.h"
@@ skipping 115 matching lines @@
   _webStateObserverBridge.reset();
 }
 
 #pragma mark -
 #pragma mark CRWWebStateObserver
 
 - (void)webStateDestroyed:(web::WebState*)webState {
   [self detachFromWebState];
 }
 
-- (void)pageLoaded:(web::WebState*)webState {
+- (void)webStateDidLoadPage:(web::WebState*)webState {
   [self processPage:webState];
 }
 
 - (void)processPage:(web::WebState*)webState {
   [self resetSuggestionState];
 
   web::URLVerificationTrustLevel trustLevel =
       web::URLVerificationTrustLevel::kNone;
   const GURL pageURL(webState->GetCurrentURL(&trustLevel));
   if (trustLevel != web::URLVerificationTrustLevel::kAbsolute) {
@@ skipping 196 matching lines @@
         (FormInputAccessoryViewController*)controller {
   completionHandler_.reset();
   [self resetSuggestionState];
 }
 
 - (void)resizeAccessoryView {
   [self updateKeyboard:_suggestionState.get()];
 }
 
 @end