Remove unnecessary check for iOS 8 in handoff_manager.mm

components/handoff/handoff_manager.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.
 
 #include "components/handoff/handoff_manager.h"
 
 #include "base/logging.h"
 #include "base/mac/scoped_nsobject.h"
 #include "net/base/mac/url_conversions.h"
 
@@ skipping 42 matching lines @@
 #elif defined(OS_IOS)
     _origin = handoff::ORIGIN_IOS;
 #else
     NOTREACHED();
 #endif
   }
   return self;
 }
 
 - (void)updateActiveURL:(const GURL&)url {
-#if defined(OS_IOS)
-  // Handoff is only available on iOS 8+.
-  DCHECK(base::ios::IsRunningOnIOS8OrLater());
-#endif
-
 #if defined(OS_MACOSX) && !defined(OS_IOS)
   // Handoff is only available on OSX 10.10+.
   DCHECK(base::mac::IsAtLeastOS10_10());
 #endif
 
   _activeURL = url;
   [self updateUserActivity];
 }
 
 - (BOOL)shouldUseActiveURL {
@@ skipping 30 matching lines @@
 
 @end
 
 @implementation HandoffManager (TestingOnly)
 
 - (NSURL*)userActivityWebpageURL {
   return self.userActivity.webpageURL;
 }
 
 @end