Fix flakiness and enable RenderViewHostManagerTest on Linux/Mac.

chrome/chrome_tests.gypi

 # Copyright (c) 2011 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',
@@ skipping 2388 matching lines @@
         }, { # else: OS != "win"
           'sources!': [
             'app/chrome_command_ids.h',
             'app/chrome_dll.rc',
             'app/chrome_dll_resource.h',
             'app/chrome_dll_version.rc.version',
             'browser/extensions/extension_rlz_apitest.cc',
             # http://crbug.com/15101 These tests fail on Linux and Mac.
             'browser/renderer_host/web_cache_manager_browsertest.cc',
             '../content/browser/child_process_security_policy_browsertest.cc',
-            '../content/browser/renderer_host/render_view_host_manager_browsertest.cc',
           ],
         }],
         ['OS=="linux"', {
           'dependencies': [
             '../build/linux/system.gyp:gtk',
             '../build/linux/system.gyp:nss',
             '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
           ],
           'sources': [
             # TODO(estade): port to win/mac.
@@ skipping 1338 matching lines @@
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }
 
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