Implement the new Sync Confirmation dialog on Linux and Windows.

chrome/browser/ui/views/profiles/signin_view_controller.cc

Index: chrome/browser/ui/views/profiles/signin_view_controller.cc
diff --git a/chrome/browser/ui/views/profiles/signin_view_controller.cc b/chrome/browser/ui/views/profiles/signin_view_controller.cc
index 07176ce3072bd01b163c935f1947673a13c44487..f1edbc3244a9c2b041de41d959ed38b53ad75fe8 100644
--- a/chrome/browser/ui/views/profiles/signin_view_controller.cc
+++ b/chrome/browser/ui/views/profiles/signin_view_controller.cc
@@ -11,6 +11,7 @@
 #include "chrome/browser/signin/signin_promo.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "chrome/common/url_constants.h"
 #include "components/constrained_window/constrained_window_views.h"
 #include "components/signin/core/browser/signin_error_controller.h"
 #include "components/signin/core/common/profile_management_switches.h"
@@ -25,6 +26,8 @@ const int kPasswordCombinedFixedGaiaViewHeight = 440;
 const int kPasswordCombinedFixedGaiaViewWidth = 360;
 const int kFixedGaiaViewHeight = 512;
 const int kFixedGaiaViewWidth = 448;
+const int kSyncConfirmationDialogWidth = 448;
+const int kSyncConfirmationDialogHeight = 351;
 
 class ModalSigninDelegate : public views::DialogDelegateView {
  public:
@@ -123,6 +126,16 @@ views::WebView* SigninViewController::CreateGaiaWebView(
   return web_view;
 }
 
+views::WebView* SigninViewController::CreateSyncConfirmationWebView(
+    Profile* profile) {
+  views::WebView* web_view = new views::WebView(profile);
+  web_view->LoadInitialURL(GURL(chrome::kChromeUISyncConfirmationURL));
+  web_view->SetPreferredSize(
+      gfx::Size(kSyncConfirmationDialogWidth, kSyncConfirmationDialogHeight));
+
+  return web_view;
+}
+
 void SigninViewController::ShowModalSignin(
     profiles::BubbleViewMode mode,
     Browser* browser,
@@ -145,6 +158,12 @@ void SigninViewController::ResetModalSigninDelegate() {
   modal_signin_delegate_ = nullptr;
 }
 
+void SigninViewController::ShowModalSyncConfirmationDialog(Browser* browser) {
+  CloseModalSignin();
+  modal_signin_delegate_ = new ModalSigninDelegate(
+      this, CreateSyncConfirmationWebView(browser->profile()), browser);
+}
+
 // static
 bool SigninViewController::ShouldShowModalSigninForMode(
     profiles::BubbleViewMode mode) {