Refactoring Reload in NavigationManager and CRWWebController.

ios/web_view/internal/cwv_web_view.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_view/public/cwv_web_view.h"
 
 #include <memory>
 #include <utility>
 
 #import "base/ios/weak_nsobject.h"
@@ skipping 114 matching lines @@
   if (_webState->GetNavigationManager())
     _webState->GetNavigationManager()->GoBack();
 }
 
 - (void)goForward {
   if (_webState->GetNavigationManager())
     _webState->GetNavigationManager()->GoForward();
 }
 
 - (void)reload {
-  _webState->GetNavigationManager()->Reload(web::ReloadType::NORMAL, true);
+  // |check_for_repost| is false because CWVWebView does not support form

[Eugene But (OOO till 7-30), 2017/03/16 18:39:04]

s/form resubmission/repost form

Sorry we have specific terminology in Chrome for this, which I'm always
forgetting :(

[liaoyuke, 2017/03/17 17:59:21]

Done.

+  // resubmission dialogs.
+  _webState->GetNavigationManager()->Reload(web::ReloadType::NORMAL,
+                                            false /* check_for_repost */);
 }
 
 - (void)stopLoading {
   _webState->Stop();
 }
 
 - (void)loadRequest:(NSURLRequest*)request {
   DCHECK_EQ(nil, request.HTTPBodyStream)
       << "request.HTTPBodyStream is not supported.";
 
@@ skipping 81 matching lines @@
           userGestureLocation:params.location];
   return YES;
 }
 
 - (web::JavaScriptDialogPresenter*)javaScriptDialogPresenterForWebState:
     (web::WebState*)webState {
   return _javaScriptDialogPresenter.get();
 }
 
 @end