Removed IsNativeAppLauncherEnabled() experiment

ios/web/web_state/ui/crw_web_controller.mm

 // Copyright 2012 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_web_controller.h"
 
 #import <WebKit/WebKit.h>
 
 #import <objc/runtime.h>
 #include <stddef.h>
@@ skipping 742 matching lines @@
 - (BOOL)isBackForwardListItemValid:(WKBackForwardListItem*)item;
 // Finds all the scrollviews in the view hierarchy and makes sure they do not
 // interfere with scroll to top when tapping the statusbar.
 - (void)optOutScrollsToTopForSubviews;
 // Tears down the old native controller, and then replaces it with the new one.
 - (void)setNativeController:(id<CRWNativeContent>)nativeController;
 // Returns whether |url| should be opened.
 - (BOOL)shouldOpenURL:(const GURL&)url
       mainDocumentURL:(const GURL&)mainDocumentURL
           linkClicked:(BOOL)linkClicked;
-// Called when |URL| needs to be opened in a matching native app.
-// Returns YES if the url was succesfully opened in the native app.
-- (BOOL)urlTriggersNativeAppLaunch:(const GURL&)URL
-                         sourceURL:(const GURL&)sourceURL
-           linkActivatedNavigation:(BOOL)linkActivatedNavigation;
 // Returns YES if the navigation action is associated with a main frame request.
 - (BOOL)isMainFrameNavigationAction:(WKNavigationAction*)action;
 // Returns whether external URL navigation action should be opened.
 - (BOOL)shouldOpenExternalURLForNavigationAction:(WKNavigationAction*)action;
 // Returns the header height.
 - (CGFloat)headerHeight;
 // Updates SSL status for the current navigation item based on the information
 // provided by web view.
 - (void)updateSSLStatusForCurrentNavigationItem;
 // Called when a load ends in an SSL error and certificate chain.
@@ skipping 2184 matching lines @@
       DCHECK_EQ(1u, [cookieKeys count]);
       item->RemoveHttpRequestHeaderForKey([cookieKeys anyObject]);
     }
   }
 }
 
 // TODO(stuartmorgan): This is mostly logic from the original UIWebView delegate
 // method, which provides less information than the WKWebView version. Audit
 // this for things that should be handled in the subclass instead.
 - (BOOL)shouldAllowLoadWithNavigationAction:(WKNavigationAction*)action {
-  NSURLRequest* request = action.request;
-  GURL requestURL = net::GURLWithNSURL(request.URL);
-
   // External application launcher needs |isNavigationTypeLinkActivated| to
   // decide if the user intended to open the application by clicking on a link.
   BOOL isNavigationTypeLinkActivated =
       action.navigationType == WKNavigationTypeLinkActivated;
 
-  // Checks if the link navigation leads to a launch of an external app.
-  // TODO(crbug.com/704417): External apps will not be launched from clicking
-  // a Bookmarked URL or a Recently Closed URL.
-  // TODO(crbug.com/607780): Revise the logic of allowing external app launch
-  // and move it to externalAppLauncher.
-  BOOL isOpenInNewTabNavigation = !(self.navigationManagerImpl->GetItemCount());
-  BOOL isPossibleLinkClick = [self isLinkNavigation:action.navigationType];
-  if (isPossibleLinkClick || isOpenInNewTabNavigation) {
-    web::NavigationItem* item = self.currentNavItem;
-    const GURL currentNavigationURL =
-        item ? item->GetVirtualURL() : GURL::EmptyGURL();
-    // Check If the URL is handled by a native app.
-    if ([self urlTriggersNativeAppLaunch:requestURL
-                               sourceURL:currentNavigationURL
-                 linkActivatedNavigation:isNavigationTypeLinkActivated]) {
-      // External app has been launched successfully. Stop the current page
-      // load operation (e.g. notifying all observers) and record the URL so
-      // that errors reported following the 'NO' reply can be safely ignored.
-      if ([self shouldClosePageOnNativeApplicationLoad])
-        _webStateImpl->CloseWebState();
-      [self stopLoading];
-      [_openedApplicationURL addObject:request.URL];
-      return NO;
-    }
-  }
-
   // The WebDelegate may instruct the CRWWebController to stop loading, and
   // instead instruct the next page to be loaded in an animation.
+  NSURLRequest* request = action.request;
+  GURL requestURL = net::GURLWithNSURL(request.URL);
   GURL mainDocumentURL = net::GURLWithNSURL(request.mainDocumentURL);
+  BOOL isPossibleLinkClick = [self isLinkNavigation:action.navigationType];
   DCHECK(_webView);
   if (![self shouldOpenURL:requestURL
            mainDocumentURL:mainDocumentURL
                linkClicked:isPossibleLinkClick]) {
     return NO;
   }
 
   // If the URL doesn't look like one we can show, try to open the link with an
   // external application.
   // TODO(droger):  Check transition type before opening an external
@@ skipping 817 matching lines @@
   if (requestStatus == SUBFRAME_BLOCKED) {
     return NO;
   }
 
   GURL requestURL = net::GURLWithNSURL(action.request.URL);
   return [_delegate respondsToSelector:@selector(webController:
                                            shouldOpenExternalURL:)] &&
          [_delegate webController:self shouldOpenExternalURL:requestURL];
 }
 
-- (BOOL)urlTriggersNativeAppLaunch:(const GURL&)URL
-                         sourceURL:(const GURL&)sourceURL
-           linkActivatedNavigation:(BOOL)linkActivatedNavigation {
-  if (![_delegate respondsToSelector:@selector(urlTriggersNativeAppLaunch:
-                                                                sourceURL:
-                                                              linkClicked:)]) {
-    return NO;
-  }
-  return [_delegate urlTriggersNativeAppLaunch:URL
-                                     sourceURL:sourceURL
-                                   linkClicked:linkActivatedNavigation];
-}
-
 - (CGFloat)headerHeight {
   if (![_delegate respondsToSelector:@selector(headerHeightForWebController:)])
     return 0.0f;
   return [_delegate headerHeightForWebController:self];
 }
 
 - (void)updateSSLStatusForCurrentNavigationItem {
   if (_isBeingDestroyed) {
     return;
   }
@@ skipping 1372 matching lines @@
 - (NSUInteger)observerCount {
   DCHECK_EQ(_observerBridges.size(), [_observers count]);
   return [_observers count];
 }
 
 - (NSString*)referrerFromNavigationAction:(WKNavigationAction*)action {
   return [action.request valueForHTTPHeaderField:kReferrerHeaderName];
 }
 
 @end