Removing CRWUISimpleWebViewController

ios/web/web_state/ui/crw_ui_simple_web_view_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/web/web_state/ui/crw_ui_simple_web_view_controller.h"
-
-#include "base/ios/weak_nsobject.h"
-#import "base/logging.h"
-#import "base/mac/scoped_nsobject.h"
-
-@interface CRWUISimpleWebViewController () <UIWebViewDelegate>
-@end
-
-@implementation CRWUISimpleWebViewController {
-  base::scoped_nsobject<UIWebView> _webView;
-  base::WeakNSProtocol<id<CRWSimpleWebViewControllerDelegate>> _delegate;
-}
-
-- (instancetype)initWithUIWebView:(UIWebView*)webView {
-  self = [super init];
-  if (self) {
-    DCHECK(webView);
-    _webView.reset([webView retain]);
-    [_webView setDelegate:self];
-  }
-  return self;
-}
-
-- (void)dealloc {
-  [_webView setDelegate:nil];
-  [super dealloc];
-}
-
-#pragma mark -
-#pragma mark CRWSimpleWebView implementation
-
-- (void)reload {
-  [_webView reload];
-}
-
-- (UIView*)view {
-  return _webView.get();
-}
-
-- (UIScrollView*)scrollView {
-  return [_webView scrollView];
-}
-
-- (NSString*)title {
-  return [_webView stringByEvaluatingJavaScriptFromString:@"document.title"];
-}
-
-- (void)loadRequest:(NSURLRequest*)request {
-  [_webView loadRequest:request];
-}
-
-- (void)loadHTMLString:(NSString*)html baseURL:(NSURL*)baseURL {
-  [_webView loadHTMLString:html baseURL:baseURL];
-}
-
-- (void)setDelegate:(id<CRWSimpleWebViewControllerDelegate>)delegate {
-  _delegate.reset(delegate);
-}
-
-- (id<CRWSimpleWebViewControllerDelegate>)delegate {
-  return _delegate.get();
-}
-
-- (void)loadPDFAtFilePath:(NSString*)filePath {
-  DCHECK([[NSFileManager defaultManager] fileExistsAtPath:filePath]);
-  NSData* data = [NSData dataWithContentsOfFile:filePath];
-  [_webView loadData:data
-              MIMEType:@"application/pdf"
-      textEncodingName:@"utf-8"
-               baseURL:[NSURL URLWithString:@""]];
-}
-
-- (void)evaluateJavaScript:(NSString*)script
-       stringResultHandler:(web::JavaScriptCompletion)handler {
-  web::EvaluateJavaScript(_webView, script, handler);
-}
-
-#pragma mark -
-#pragma mark UIWebViewDelegateMethods
-
-- (BOOL)webView:(UIWebView*)webView
-    shouldStartLoadWithRequest:(NSURLRequest*)request
-                navigationType:(UIWebViewNavigationType)navigationType {
-  if ([_delegate respondsToSelector:@selector(simpleWebViewController:
-                                           shouldStartLoadWithRequest:)]) {
-    return [_delegate simpleWebViewController:self
-                   shouldStartLoadWithRequest:request];
-  }
-  // By default all loads are allowed.
-  return YES;
-}
-
-- (void)webViewDidFinishLoad:(UIWebView*)webView {
-  if (![_delegate respondsToSelector:@selector(simpleWebViewController:
-                                                   titleMayHaveChanged:)]) {
-    return;
-  }
-  [_delegate simpleWebViewController:self titleMayHaveChanged:self.title];
-}
-
-@end