Remove implicit conversions from scoped_refptr to T* in cloud_print/

This patch was generated by running the rewrite_scoped_refptr clang tool
on a Linux build.

BUG=110610

Review URL: https://codereview.chromium.org/513503002

Cr-Commit-Position: refs/heads/master@{#292076}

cloud_print/gcp20/prototype/cloud_print_request.cc

@@ -64,7 +64,7 @@ void CloudPrintRequest::Run(
     fetcher_->AddExtraRequestHeader(base::StringPrintf(
         "Authorization: Bearer \"%s\"", access_token.c_str()));
 
-  fetcher_->SetRequestContext(context_getter);
+  fetcher_->SetRequestContext(context_getter.get());
   fetcher_->Start();
 
   MessageLoop::current()->PostDelayedTask(

cloud_print/gcp20/prototype/cloud_print_url_request_context_getter.cc

@@ -10,7 +10,7 @@
 
 CloudPrintURLRequestContextGetter::CloudPrintURLRequestContextGetter(
     scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
-  DCHECK(task_runner);
+  DCHECK(task_runner.get());
   network_task_runner_ = task_runner;
 }