Remove implicit conversions from scoped_refptr to T* in chrome/browser/apps/

chrome/browser/apps/app_browsertest.cc

Index: chrome/browser/apps/app_browsertest.cc
diff --git a/chrome/browser/apps/app_browsertest.cc b/chrome/browser/apps/app_browsertest.cc
index f727059771d28bfc5463624d7d4bf4987e75b410..123b55a1298e2e687b364ab16970f0676c20d1f2 100644
--- a/chrome/browser/apps/app_browsertest.cc
+++ b/chrome/browser/apps/app_browsertest.cc
@@ -146,13 +146,13 @@ class ScopedPreviewTestingDelegate : PrintPreviewUI::TestingDelegate {
     dialog_size_ = preview_dialog->GetContainerBounds().size();
     ++rendered_page_count_;
     CHECK(rendered_page_count_ <= total_page_count_);
-    if (waiting_runner_ && rendered_page_count_ == total_page_count_) {
+    if (waiting_runner_.get() && rendered_page_count_ == total_page_count_) {
       waiting_runner_->Quit();
     }
   }
 
   void WaitUntilPreviewIsReady() {
-    CHECK(!waiting_runner_);
+    CHECK(!waiting_runner_.get());
     if (rendered_page_count_ < total_page_count_) {
       waiting_runner_ = new content::MessageLoopRunner;
       waiting_runner_->Run();