Added pyautolib (dependency to run pyauto tests) to coverage_build target.

chrome/chrome_tests.gypi

 # 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.
 {
   'variables' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 4568 matching lines @@
                 #'../net/net.gyp:curvecp_unittests',
                 '../build/temp_gyp/googleurl.gyp:googleurl_unittests',
                 'gpu_tests',
                 '../jingle/jingle.gyp:jingle_unittests',
                 '../net/net.gyp:net_perftests',
                 'performance_ui_tests',
                 'reliability_tests',
                 'safe_browsing_tests',
                 'sync_integration_tests',
                 '../third_party/WebKit/Source/WebKit/chromium/WebKitUnitTests.gyp:webkit_unit_tests',
+                'pyautolib',
               ]}],
             ['OS=="mac"', {
               'dependencies': [
               # Placeholder; empty for now.
               ]}],
           ],  # 'conditions'
           'actions': [
             {
               # 'message' for Linux/scons in particular.  Scons
               # requires the 'coverage' target be run from within
@@ skipping 68 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }