Add UMA metric: Startup.BrowserMainToRendererMain.

components/html_viewer/BUILD.gn

 # Copyright 2014 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.
 
 import("//build_overrides/v8.gni")
 import("//mojo/public/mojo_application.gni")
 import("//testing/test.gni")
 import("//tools/grit/grit_rule.gni")
 import("//tools/grit/repack.gni")
 
@@ skipping 145 matching lines @@
     "//components/clipboard/public/interfaces",
     "//components/devtools_service/public/interfaces",
     "//components/html_viewer/public/interfaces",
     "//components/message_port",
     "//components/mime_util",
     "//components/mus/gles2:lib",
     "//components/mus/public/interfaces",
     "//components/resource_provider/public/cpp",
     "//components/resource_provider/public/interfaces",
     "//components/scheduler:scheduler",
-    "//components/startup_metric_utils/browser",
+    "//components/startup_metric_utils/browser:lib",
     "//components/webcrypto",
     "//components/web_view:switches",
     "//components/web_view/public/interfaces",
     "//gin",
     "//gpu/command_buffer/common:gles2_utils",
     "//gpu/blink:blink",
     "//media",
     "//media/blink",
     "//media/mojo",
     "//media:shared_memory_support",
@@ skipping 197 matching lines @@
   ]
 
   data_deps = [
     ":html_viewer",
   ]
 
   if (is_linux && !is_android) {
     data_deps += [ "//components/font_service" ]
   }
 }