Use HTTP response headers for PNaCl caching instead of bitcode hash.

ppapi/ppapi_tests.gypi

Index: ppapi/ppapi_tests.gypi
diff --git a/ppapi/ppapi_tests.gypi b/ppapi/ppapi_tests.gypi
index 0d17f37dac66553b442e31a47a64f86112668726..77cde367a11d24af00453f3572bcd3ecf230cbb8 100644
--- a/ppapi/ppapi_tests.gypi
+++ b/ppapi/ppapi_tests.gypi
@@ -152,10 +152,18 @@
         '../testing/gtest.gyp:gtest',
         '../ui/surface/surface.gyp:surface',
       ],
+      # For the nacl_http_response_headers_unittest below.
+      'include_dirs': [
+        '../ppapi',
+      ],
       'sources': [
         'proxy/run_all_unittests.cc',
 
         'host/resource_message_filter_unittest.cc',
+        # Piggy back on ppapi_unittests for a simple NaCl unittest,

[Derek Schuff, 2013/06/07 21:38:04]

is it bad to have some tests here and some in unit_tests? why this here instead
of there?

[jvoung (off chromium), 2013/06/07 23:46:25]

"unit_tests" is part of the chrome/ directory.

My impression was that chrome/ is not supposed to reach into ppapi/, so I put
this under ppapi_unittests.

+        # which must not have dependencies on anything other than stdlibs.
+        'native_client/src/trusted/plugin/nacl_http_response_headers.cc',
+        'native_client/src/trusted/plugin/nacl_http_response_headers_unittest.cc',
         'proxy/device_enumeration_resource_helper_unittest.cc',
         'proxy/file_chooser_resource_unittest.cc',
         'proxy/flash_resource_unittest.cc',