Convert startup_metric_utils to use mojo.

chrome/chrome_browser.gypi

 # Copyright 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': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 3222 matching lines @@
         '../components/components.gyp:rappor',
         '../components/components.gyp:search',
         '../components/components.gyp:search_engines',
         '../components/components.gyp:search_provider_logos',
         '../components/components.gyp:security_interstitials_core',
         '../components/components.gyp:security_state',
         '../components/components.gyp:ssl_errors',
         '../components/components.gyp:suggestions',
         '../components/components.gyp:signin_core_browser',
         '../components/components.gyp:startup_metric_utils_browser',
-        '../components/components.gyp:startup_metric_utils_browser_message_filter',
-        # TODO(fdoray): Remove this once the PreRead field trial has expired.
-        # crbug.com/577698
-        '../components/components.gyp:startup_metric_utils_common',
+        '../components/components.gyp:startup_metric_utils_browser_host',
         '../components/components.gyp:supervised_user_error_page',
         '../components/components.gyp:sync_bookmarks',
         '../components/components.gyp:sync_driver',
         '../components/components.gyp:sync_sessions',
         '../components/components.gyp:translate_core_browser',
         '../components/components.gyp:translate_core_common',
         '../components/components.gyp:update_client',
         '../components/components.gyp:undo_component',
         '../components/components.gyp:user_prefs',
         '../components/components_strings.gyp:components_strings',
@@ skipping 620 matching lines @@
             'file_pre_reader',
             'installer_util_strings',
             'kasko_util',
             'metrics_constants_util_win',
             '../chrome/common_constants.gyp:version_header',
             '../chrome_elf/chrome_elf.gyp:chrome_elf',
             '../chrome_elf/chrome_elf.gyp:chrome_elf_constants',
             '../chrome_elf/chrome_elf.gyp:dll_hash',
             '../components/components.gyp:browser_watcher',
             '../components/components.gyp:browser_watcher_client',
+            # TODO(fdoray): Remove this once the PreRead field trial has
+            # expired. crbug.com/577698
             '../components/components.gyp:startup_metric_utils_common',
             '../google_update/google_update.gyp:google_update',
             '../third_party/iaccessible2/iaccessible2.gyp:iaccessible2',
             '../third_party/isimpledom/isimpledom.gyp:isimpledom',
             '../third_party/kasko/kasko.gyp:kasko',
             '../ui/views/controls/webview/webview.gyp:webview',
             '../ui/views/views.gyp:views',
           ],
           'export_dependent_settings': [
             '../third_party/kasko/kasko.gyp:kasko',
@@ skipping 375 matching lines @@
             '../components/components.gyp:rlz',
             '../components/components.gyp:search_engines',
             '../rlz/rlz.gyp:rlz_lib',
             'common',
           ],
         },
       ],
     }],
   ],
 }