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

content/public/test/test_browser_context.cc

Index: content/public/test/test_browser_context.cc
diff --git a/content/public/test/test_browser_context.cc b/content/public/test/test_browser_context.cc
index 8477038295cb9415ca216591e96f7ea850b7f95d..0f6304d3b231142977dccee19e08a8a5580feb5a 100644
--- a/content/public/test/test_browser_context.cc
+++ b/content/public/test/test_browser_context.cc
@@ -70,7 +70,7 @@ DownloadManagerDelegate* TestBrowserContext::GetDownloadManagerDelegate() {
 }
 
 net::URLRequestContextGetter* TestBrowserContext::GetRequestContext() {
-  if (!request_context_) {
+  if (!request_context_.get()) {
     request_context_ = new TestContextURLRequestContextGetter(
         GetResourceContext()->GetRequestContext());
   }