Add NaCl smoke test to browser_tests.

chrome/test/data/nacl/simple.nmf

Index: chrome/test/data/nacl/simple.nmf
diff --git a/chrome/test/data/nacl/simple.nmf b/chrome/test/data/nacl/simple.nmf
new file mode 100644
index 0000000000000000000000000000000000000000..b58d35f3b0ee12f6f6be73072cde6860d4a3f1c0
--- /dev/null
+++ b/chrome/test/data/nacl/simple.nmf
@@ -0,0 +1,8 @@
+{
+  "program": {
+    "x86-32": {"url": "simple_newlib_x32.nexe"},

[Mark Seaborn, 2012/08/13 22:16:59]

Can't this manifest file be auto-generated for newlib too?  We managed to mostly
get away from having to check NMF files for the Scons-based tests.

[Nick Bray (chromium), 2012/08/13 23:16:26]

This is the plan, but I was trying to keep this CL somewhat reasonably sized.

+    "x86-64": {"url": "simple_newlib_x64.nexe"},
+    "arm": {"url": "simple_newlib_arm.nexe"}
+  }
+}
+

[bradn, 2012/08/13 21:10:59]

Drop extra line

[Nick Bray (chromium), 2012/08/13 23:16:26]

Done.