Landing chrome side of nacl change pre-dating ppapi switch.

ppapi/native_client/tests/ppapi_browser/extension_mime_handler/nacl.scons

 # -*- python -*-
 # Copyright (c) 2011 The Native Client Authors.  All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Test loading a NaCl-enabled Chrome Extension.  This also covers parts
 # of {ppb,ppp}_instance interfaces that are not testable any other way.
 
 # The extension registers the nacl module as a content handler for
 # application/pdf because it's easy to override that known type, but the
 # actual file we use is a plain text file with a .pdf file extension.
 
 Import('env')
 
 env.Prepend(CPPDEFINES=['XP_UNIX'])
+env.Replace(TEST_DIR='${SOURCE_ROOT}/ppapi/native_client/tests/ppapi_browser/' +
+                     'extension_mime_handler')
 
 nexe = 'ppapi_extension_mime_handler_%s' % env.get('TARGET_FULLARCH')
 
 env.ComponentProgram(
     nexe,
     ['ppapi_extension_mime_handler.cc'],
     EXTRA_LIBS=['${PPAPI_LIBS}',
                 'ppapi_test_lib',
                 'pthread',
                 'platform',
                 'gio'])
 
 # Copy the extension into place (as a subdir in the staging dir).
 dest_copy = env.Replicate('$STAGING_DIR/ppapi_extension_mime_handler',
-                          ['ppapi_extension_mime_handler.nmf',
-                           'manifest.json',
+                          ['manifest.json',
                            env.File('$STAGING_DIR/' + nexe + '$PROGSUFFIX')])
+dest_copy.append(env.CopyLibsForExtension(
+    '$STAGING_DIR/ppapi_extension_mime_handler',
+    '$STAGING_DIR/ppapi_extension_mime_handler.nmf'))
 
 env.Depends(env.Alias(nexe), dest_copy)
 
 # Publish the html,js, and pdf.
 env.Publish(nexe, 'run',
             ['ppapi_extension_mime_handler.html',
              'mime_test_data.pdf'])
 
 node = env.PPAPIBrowserTester('ppapi_extension_mime_handler.out',
     url='ppapi_extension_mime_handler.html',
+    nmf='${TEST_DIR}/ppapi_extension_mime_handler.nmf',
     extensions=[env.Dir('$STAGING_DIR/ppapi_extension_mime_handler')],
     files=env.ExtractPublishedFiles(nexe))
 
 env.Depends(node, dest_copy)
 
 env.AddNodeToTestSuite(node,
                        ['chrome_browser_tests'],
                        'run_ppapi_extension_mime_handler_browser_test',
                        is_broken=env.PPAPIBrowserTesterIsBroken())