Add const accessors to URLRequest and UploadData.

chrome/browser/automation/url_request_automation_job.cc

Index: chrome/browser/automation/url_request_automation_job.cc
diff --git a/chrome/browser/automation/url_request_automation_job.cc b/chrome/browser/automation/url_request_automation_job.cc
index 126863e69e9dc13c4a70daa8b250174fc638a04e..f5856bd2409f3643327f9fa12f198e53514c17a0 100644
--- a/chrome/browser/automation/url_request_automation_job.cc
+++ b/chrome/browser/automation/url_request_automation_job.cc
@@ -457,7 +457,7 @@ void URLRequestAutomationJob::StartAsync() {
   automation_request.method = request_->method();
   automation_request.referrer = referrer.spec();
   automation_request.extra_request_headers = new_request_headers.ToString();
-  automation_request.upload_data =request_->get_upload();
+  automation_request.upload_data = request_->get_upload_mutable();
   automation_request.resource_type = resource_type;
   automation_request.load_flags = request_->load_flags();