PPAPI: Force async callback invocation option.

ppapi/tests/test_url_loader.h

Index: ppapi/tests/test_url_loader.h
===================================================================
--- ppapi/tests/test_url_loader.h	(revision 82761)
+++ ppapi/tests/test_url_loader.h	(working copy)
@@ -26,11 +26,13 @@
   virtual void RunTest();
 
  private:
-  std::string ReadEntireFile(pp::FileIO_Dev* file_io, std::string* data);
+  std::string ReadEntireFile(pp::FileIO_Dev* file_io, std::string* data,
+                             bool force_async);
   std::string ReadEntireResponseBody(pp::URLLoader* loader,
                                      std::string* body);
   std::string LoadAndCompareBody(const pp::URLRequestInfo& request,
                                  const std::string& expected_body);
+  std::string StreamToFile(bool force_async);
 
   std::string TestBasicGET();
   std::string TestBasicPOST();
@@ -40,6 +42,7 @@
   std::string TestCustomRequestHeader();
   std::string TestIgnoresBogusContentLength();
   std::string TestStreamToFile();
+  std::string TestStreamToFileForceAsync();
   std::string TestSameOriginRestriction();
   std::string TestCrossOriginRequest();
   std::string TestAuditURLRedirect();