PerformanceMonitor: UMA alert for high browser CPU usage.

chrome/chrome_tests.gypi

 # Copyright 2013 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 1715 matching lines @@
         'renderer/safe_browsing/phishing_classifier_browsertest.cc',
         'renderer/safe_browsing/phishing_classifier_delegate_browsertest.cc',
         'renderer/safe_browsing/phishing_dom_feature_extractor_browsertest.cc',
         'renderer/translate/translate_helper_browsertest.cc',
         'renderer/translate/translate_script_browsertest.cc',
         'test/base/chrome_render_view_test.cc',
         'test/base/chrome_render_view_test.h',
         'test/base/chrome_test_launcher.cc',
         'test/base/web_ui_browsertest.cc',
         'test/base/web_ui_browsertest.h',
-        'test/data/chromeos/oobe_webui_browsertest.js',
         'test/base/in_process_browser_test_browsertest.cc',
         'test/base/tracing_browsertest.cc',
         'test/base/test_chrome_web_ui_controller_factory.cc',
         'test/base/test_chrome_web_ui_controller_factory.h',
         'test/base/test_chrome_web_ui_controller_factory_browsertest.cc',
+        'test/data/chromeos/oobe_webui_browsertest.js',
         'test/data/webui/accessibility_audit_browsertest.js',
         'test/data/webui/assertions.js',
         'test/data/webui/async_gen.cc',
         'test/data/webui/async_gen.h',
         'test/data/webui/async_gen.js',
         'test/data/webui/certificate_viewer_dialog_test.js',
         'test/data/webui/certificate_viewer_ui_test-inl.h',
         'test/data/webui/chrome_send_browsertest.cc',
         'test/data/webui/chrome_send_browsertest.h',
         'test/data/webui/chrome_send_browsertest.js',
@@ skipping 1755 matching lines @@
             'utility',
           ],
           'sources': [
             'tools/service_discovery_sniffer/service_discovery_sniffer.h',
             'tools/service_discovery_sniffer/service_discovery_sniffer.cc',
           ],
         }]
     }],
   ],  # 'conditions'
 }