Switch to standard integer types in ios/.

ios/web/public/web_state/web_state_observer_bridge.h

 // Copyright 2015 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_BRIDGE_H_
 #define IOS_WEB_PUBLIC_WEB_STATE_WEB_STATE_OBSERVER_BRIDGE_H_
 
 #import <Foundation/Foundation.h>
 
 #include <string>
 
 #import "base/ios/weak_nsobject.h"
+#include "base/macros.h"
 #import "ios/web/public/web_state/web_state_observer.h"
 
 class GURL;
 
 // Observes page lifecyle events from Objective-C. To use as a
 // web::WebStateObserver, wrap in a web::WebStateObserverBridge.
 @protocol CRWWebStateObserver<NSObject>
 @optional
 
 // Invoked by WebStateObserverBridge::ProvisionalNavigationStarted.
@@ skipping 86 matching lines @@
   void DidStopLoading() override;
 
  private:
   base::WeakNSProtocol<id<CRWWebStateObserver>> observer_;
   DISALLOW_COPY_AND_ASSIGN(WebStateObserverBridge);
 };
 
 }  // namespace web
 
 #endif  // IOS_WEB_PUBLIC_WEB_STATE_WEB_STATE_OBSERVER_BRIDGE_H_