[NaCl SDK] Run browser tests with --disable-component-update

native_client_sdk/src/build_tools/test_projects.py

Index: native_client_sdk/src/build_tools/test_projects.py
diff --git a/native_client_sdk/src/build_tools/test_projects.py b/native_client_sdk/src/build_tools/test_projects.py
index 0fcc3ca570bb2f9e522394d10b8a4bdd21d3f1ca..5123c3c9c428f1c0889875bf866bc1f181904dae 100755
--- a/native_client_sdk/src/build_tools/test_projects.py
+++ b/native_client_sdk/src/build_tools/test_projects.py
@@ -67,10 +67,6 @@ DISABLED_TESTS = [
     # TODO(binji): figure out a way to inject the testing code without
     # modifying the example; maybe an extension?
     {'name': 'part1'},
-    # TODO(binji): loading nacl_io_test.pexe on win/linux is > 40 seconds.
-    # See http://crbug.com/315253
-    {'name': 'nacl_io_test', 'platform': ('win', 'linux'),
-     'toolchain': 'pnacl', 'config': 'Release'},
 ]
 
 def ValidateToolchains(toolchains):
@@ -108,6 +104,8 @@ def GetBrowserTesterCommand(desc, toolchain, config):
     # Prevent the infobar that shows up when requesting filesystem quota.
     '--browser_flag', '--unlimited-storage',
     '--enable_sockets',
+    # Prevent installing a new copy of PNaCl.
+    '--browser_flag', '--disable-component-update',
   ]
 
   args.extend(['--serving_dir', GetServingDirForProject(desc)])