Convert print_dialog_cloud::SignInObserver to use the new navigation callbacks.

chrome/browser/printing/print_dialog_cloud.cc

 // Copyright (c) 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.
 
 #include "chrome/browser/printing/print_dialog_cloud.h"
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "components/cloud_devices/common/cloud_devices_urls.h"
 #include "components/google/core/browser/google_util.h"
 #include "components/signin/core/browser/signin_header_helper.h"
 #include "components/signin/core/browser/signin_metrics.h"
 #include "components/signin/core/common/profile_management_switches.h"
 #include "content/public/browser/browser_thread.h"
+#include "content/public/browser/navigation_handle.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
 
 namespace print_dialog_cloud {
 
 namespace {
 
 class SignInObserver : public content::WebContentsObserver {
  public:
   SignInObserver(content::WebContents* web_contents,
                  const base::Closure& callback)
       : WebContentsObserver(web_contents),
         callback_(callback),
         weak_ptr_factory_(this) {
   }
 
  private:
   // Overridden from content::WebContentsObserver:
-  void DidNavigateMainFrame(
-      const content::LoadCommittedDetails& details,
-      const content::FrameNavigateParams& params) override {
-    if (cloud_devices::IsCloudPrintURL(params.url)) {
+  void DidFinishNavigation(
+      content::NavigationHandle* navigation_handle) override {
+    if (!navigation_handle->IsInMainFrame() ||
+        !navigation_handle->HasCommitted()) {
+      return;
+    }
+
+    if (cloud_devices::IsCloudPrintURL(navigation_handle->GetURL())) {
       base::ThreadTaskRunnerHandle::Get()->PostTask(
           FROM_HERE, base::Bind(&SignInObserver::OnSignIn,
                                 weak_ptr_factory_.GetWeakPtr()));
     }
   }
 
   void WebContentsDestroyed() override { delete this; }
 
   void OnSignIn() {
     callback_.Run();
@@ skipping 28 matching lines @@
         browser->OpenURL(content::OpenURLParams(
             google_util::AppendGoogleLocaleParam(
                 url, g_browser_process->GetApplicationLocale()),
             content::Referrer(), WindowOpenDisposition::NEW_FOREGROUND_TAB,
             ui::PAGE_TRANSITION_AUTO_BOOKMARK, false));
     new SignInObserver(web_contents, callback);
   }
 }
 
 }  // namespace print_dialog_cloud