Update content/ to use scoped_refptr<T>::get() rather than implicit "operator T*"

content/browser/web_contents/navigation_entry_impl.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 "content/browser/web_contents/navigation_entry_impl.h"
 
 #include "base/metrics/histogram.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "content/public/common/content_constants.h"
@@ skipping 296 matching lines @@
   return true;
 }
 
 void NavigationEntryImpl::ClearExtraData(const std::string& key) {
   extra_data_.erase(key);
 }
 
 void NavigationEntryImpl::SetScreenshotPNGData(
     scoped_refptr<base::RefCountedBytes> png_data) {
   screenshot_ = png_data;
-  if (screenshot_)
+  if (screenshot_.get())
     UMA_HISTOGRAM_MEMORY_KB("Overscroll.ScreenshotSize", screenshot_->size());
 }
 
 }  // namespace content