Added bounds checks to the URLLoader prefetch buffer threshhold.

ppapi/tests/test_url_loader.h

Index: ppapi/tests/test_url_loader.h
diff --git a/ppapi/tests/test_url_loader.h b/ppapi/tests/test_url_loader.h
index 8dbef70ef89673464e150b77ccf61a7772e1ff3e..51707a05d580c5657a686da69107d6b0ad674cf8 100644
--- a/ppapi/tests/test_url_loader.h
+++ b/ppapi/tests/test_url_loader.h
@@ -47,6 +47,7 @@ class TestURLLoader : public TestCase {
                       const std::string& header);
   int32_t Open(const pp::URLRequestInfo& request,
                bool with_universal_access);
+  int32_t OpenWithPrefetchBufferThreshold(int32_t lower, int32_t upper);
 
   std::string TestBasicGET();
   std::string TestBasicPOST();
@@ -70,6 +71,9 @@ class TestURLLoader : public TestCase {
   std::string TestAuditURLRedirect();
   std::string TestAbortCalls();
   std::string TestUntendedLoad();
+  std::string TestNegativePrefetchBufferThreshold();
+  std::string TestLegalPrefetchBufferThreshold();
+  std::string TestInvertedPrefetchBufferThreshold();
 
   const PPB_FileIOTrusted* file_io_trusted_interface_;
   const PPB_URLLoaderTrusted* url_loader_trusted_interface_;