Add UMA metric: Startup.BrowserMainToRendererMain.

chrome/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/config/chrome_build.gni")
 import("//build/config/features.gni")
 import("//build/config/locales.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//build/config/ui.gni")
 import("//build/config/win/manifest.gni")
@@ skipping 202 matching lines @@
       deps += [ ":chrome_dll" ]
 
       # TODO(GYP) lots more stuff in the is_mac block.
     } else {  # Non-Mac.
       # These files are used by the installer so we need a public dep.
       public_deps += [
         ":packed_extra_resources",
         ":packed_resources",
       ]
       deps += [
-        "//components/startup_metric_utils/browser",
+        "//components/startup_metric_utils/browser:browser",
 
         # Precompiled plugins that need to get copied to the output directory.
         # On Mac, internal plugins go inside the framework, so these
         # dependencies are on chrome.dll.
         "//third_party/adobe/flash:flapper_binaries",
         "//third_party/widevine/cdm:widevinecdmadapter",
       ]
     }
 
     if (is_multi_dll_chrome) {
@@ skipping 810 matching lines @@
       "//chrome/app/theme/$branding_path_component/product_logo_48.png",
       "//chrome/tools/build/linux/chrome-wrapper",
       "//third_party/xdg-utils/scripts/xdg-mime",
       "//third_party/xdg-utils/scripts/xdg-settings",
     ]
     outputs = [
       "$root_out_dir/{{source_file_part}}",
     ]
   }
 }