Add content_unittests to chromium_builder_webrtc target.

build/all.gyp

 # Copyright (c) 2012 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.
 
 {
   'targets': [
     {
       'target_name': 'All',
       'type': 'none',
       'xcode_create_dependents_test_runner': 1,
@@ skipping 391 matching lines @@
         {
           # This target contains everything we need to run tests on the special
           # device-equipped WebRTC bots. We have device-requiring tests in
           # PyAuto, browser_tests and content_browsertests.
           'target_name': 'chromium_builder_webrtc',
           'type': 'none',
           'dependencies': [
             'chromium_builder_qa',  # needed for perf pyauto tests
             '../chrome/chrome.gyp:browser_tests',
             '../content/content.gyp:content_browsertests',
+            '../content/content.gyp:content_unittests',
             '../third_party/libjingle/libjingle.gyp:peerconnection_server',
             '../third_party/webrtc/tools/tools.gyp:frame_analyzer',
             '../third_party/webrtc/tools/tools.gyp:rgba_to_i420_converter',
           ],
         },  # target_name: chromium_builder_webrtc
       ],  # targets
     }],
     ['OS=="mac"', {
       'targets': [
         {
@@ skipping 400 matching lines @@
             '../chrome/chrome.gyp:browser_tests_run',
             '../chrome/chrome.gyp:sync_integration_tests_run',
             '../chrome/chrome.gyp:unit_tests_run',
             '../net/net.gyp:net_unittests_run',
           ],
         }, # target_name: chromium_swarm_tests
       ],
     }],
   ], # conditions
 }