Upstream ios/web_view source code.

ios/web_view/public/criwv_web_view_delegate.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_VIEW_PUBLIC_CRIWV_WEB_VIEW_DELEGATE_H_
+#define IOS_WEB_VIEW_PUBLIC_CRIWV_WEB_VIEW_DELEGATE_H_
+
+#import <Foundation/Foundation.h>
+
+@protocol CRIWVTranslateDelegate;
+@protocol CRIWVWebView;
+
+typedef NS_OPTIONS(NSUInteger, CRIWVWebViewUpdateType) {
+  CRIWVWebViewUpdateTypeProgress = 1 << 0,
+  CRIWVWebViewUpdateTypeTitle = 1 << 1,
+  CRIWVWebViewUpdateTypeURL = 1 << 2
+};
+
+// Delegate protocol for CRIWVWebViews.  Allows embedders to customize web view
+// behavior and receive updates on page load progress.
+@protocol CRIWVWebViewDelegate<NSObject>
+
+@optional
+
+- (void)webView:(id<CRIWVWebView>)webView
+    didFinishLoadingWithURL:(NSURL*)url
+                loadSuccess:(BOOL)loadSuccess;
+
+- (void)webView:(id<CRIWVWebView>)webView
+    didUpdateWithChanges:(CRIWVWebViewUpdateType)changes;
+
+- (id<CRIWVTranslateDelegate>)translateDelegate;
+
+// Returns YES if the web view should load |url| or NO for a custom handling.
+- (BOOL)webView:(id<CRIWVWebView>)webView
+      shouldOpenURL:(NSURL*)url
+    mainDocumentURL:(NSURL*)mainDocumentURL
+        linkClicked:(BOOL)linkClicked;
+
+@end
+
+#endif  // IOS_WEB_VIEW_PUBLIC_CRIWV_WEB_VIEW_DELEGATE_H_