Make net_unittests_run work with component=shared_library.

net/third_party/nss/ssl_base.isolate

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 {
+  # These are targets built when building base.
   'conditions': [
     ['OS=="linux" and component=="shared_library" and use_openssl==0', {
       'variables': {
         'isolate_dependency_tracked': [
           '<(PRODUCT_DIR)/lib/libcrssl.so',

[Ryan Sleevi, 2014/01/22 18:56:22]

base's dependency is on everything *but* libcrssl.

Yeah, it's weird, but build/linux/system.gyp:ssl is
NSS:
  NSPR (system lib)
  NSS (~7 system libs that 'make up' NSS - with SSL *filtered out*)
OpenSSL:
  OpenSSL (system lib)

then net/third_party/nss/ssl.gyp is, on Linux, a dependency on crssl, which then
depends on the base system libs bits.

ssl_net.isolate should be libcrssl.so, and ssl_base.isolate should be empty. If
that doesn't work, we've got a dep bug.

         ],
       },
     }],
   ],
 }