Update chrome/ to use WeakPtr<T>::get() instead of implicit "operator T*"

chrome/browser/printing/cloud_print/cloud_print_setup_flow.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/cloud_print/cloud_print_setup_flow.h"
 
 #include "base/json/json_writer.h"
 #include "base/memory/singleton.h"
 #include "base/prefs/pref_service.h"
 #include "base/string_util.h"
@@ skipping 154 matching lines @@
   size->set_height(size->height() * scale_hack);
 #endif
 }
 
 // A callback to notify the delegate that the dialog closed.
 void CloudPrintSetupFlow::OnDialogClosed(const std::string& json_retval) {
   // If we are fetching the token then cancel the request.
   if (authenticator_.get())
     authenticator_->CancelRequest();
 
-  if (delegate_)
+  if (delegate_.get())
     delegate_->OnDialogClosed();
   delete this;
 }
 
 std::string CloudPrintSetupFlow::GetDialogArgs() const {
   return dialog_start_args_;
 }
 
 void CloudPrintSetupFlow::OnCloseContents(WebContents* source,
                                           bool* out_close_dialog) {
@@ skipping 148 matching lines @@
 
 void CloudPrintSetupFlow::ExecuteJavascriptInIFrame(
     const string16& iframe_xpath,
     const string16& js) {
   if (web_ui_) {
     content::RenderViewHost* rvh =
         web_ui_->GetWebContents()->GetRenderViewHost();
     rvh->ExecuteJavascriptInWebFrame(iframe_xpath, js);
   }
 }