[Signin Error Dialog] (3/3) Added the triggering code

chrome/browser/ui/cocoa/profiles/signin_view_controller_delegate_mac.mm

 // Copyright 2016 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 "chrome/browser/ui/cocoa/profiles/signin_view_controller_delegate_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 17 matching lines @@
 const CGFloat kPasswordCombinedFixedGaiaViewHeight = 440;
 const CGFloat kPasswordCombinedFixedGaiaViewWidth = 360;
 
 // Width of the different dialogs that make up the signin flow.
 const int kModalDialogWidth = 448;
 
 // Height of the tab-modal dialog displaying the password-separated signin
 // flow. It matches the dimensions of the server content the dialog displays.
 const CGFloat kFixedGaiaViewHeight = 612;
 
-// Initial height of the sync confirmation t
+// Initial height of the sync confirmation modal dialog.
 const int kSyncConfirmationDialogHeight = 351;
 
+// Initial height of the signin error modal dialog.
+const int kSigninErrorDialogHeight = 164;
+
 }  // namespace
 
 SigninViewControllerDelegateMac::SigninViewControllerDelegateMac(
     SigninViewController* signin_view_controller,
     std::unique_ptr<content::WebContents> web_contents,
     content::WebContents* host_web_contents,
     NSRect frame,
     bool wait_for_size)
     : SigninViewControllerDelegate(signin_view_controller, web_contents.get()),
       web_contents_(std::move(web_contents)),
@@ skipping 57 matching lines @@
       GURL(chrome::kChromeUISyncConfirmationURL), content::Referrer(),
       ui::PAGE_TRANSITION_AUTO_TOPLEVEL, std::string());
 
   NSView* webview = web_contents->GetNativeView();
   [webview setFrameSize:NSMakeSize(kModalDialogWidth,
                                    kSyncConfirmationDialogHeight)];
 
   return web_contents;
 }
 
+// static
+std::unique_ptr<content::WebContents>
+SigninViewControllerDelegateMac::CreateSigninErrorWebContents(
+    Profile* profile) {
+  std::unique_ptr<content::WebContents> web_contents(
+      content::WebContents::Create(
+          content::WebContents::CreateParams(profile)));
+  web_contents->GetController().LoadURL(
+      GURL(chrome::kChromeUISigninErrorURL), content::Referrer(),
+      ui::PAGE_TRANSITION_AUTO_TOPLEVEL, std::string());
+
+  NSView* webview = web_contents->GetNativeView();
+  [webview
+      setFrameSize:NSMakeSize(kModalDialogWidth, kSigninErrorDialogHeight)];
+
+  return web_contents;
+}
+
 void SigninViewControllerDelegateMac::PerformClose() {
   if (constrained_window_.get())
     constrained_window_->CloseWebContentsModalDialog();
 }
 
 void SigninViewControllerDelegateMac::ResizeNativeView(int height) {
   if (wait_for_size_) {
     [window_.get().contentView
         setFrameSize:NSMakeSize(kModalDialogWidth,
                                 height)];
@@ skipping 50 matching lines @@
     Browser* browser) {
   return new SigninViewControllerDelegateMac(
       signin_view_controller,
       SigninViewControllerDelegateMac::CreateSyncConfirmationWebContents(
           browser->profile()),
       browser->tab_strip_model()->GetActiveWebContents(),
       NSMakeRect(0, 0, kModalDialogWidth,
                  kSyncConfirmationDialogHeight),
       true);
 }
+
+// static
+SigninViewControllerDelegate*
+SigninViewControllerDelegate::CreateSigninErrorDelegate(
+    SigninViewController* signin_view_controller,
+    Browser* browser) {
+  return new SigninViewControllerDelegateMac(
+      signin_view_controller,
+      SigninViewControllerDelegateMac::CreateSigninErrorWebContents(
+          browser->profile()),
+      browser->tab_strip_model()->GetActiveWebContents(),
+      NSMakeRect(0, 0, kModalDialogWidth, kSigninErrorDialogHeight), true);
+}