Move pre_read_field_trial_utils.h/cc to common/.

chrome/browser/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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
 import("//media/media_options.gni")
@@ skipping 835 matching lines @@
     deps += [
       ":chrome_process_finder",
       "//chrome/chrome_watcher:client",
       "//chrome/common:version_header",
       "//chrome/installer/util:strings",
       "//chrome_elf",
       "//chrome_elf:constants",
       "//chrome_elf:dll_hash",
       "//components/browser_watcher",
       "//components/browser_watcher:browser_watcher_client",
+      "//components/startup_metric_utils/common",
       "//google_update",
       "//third_party/iaccessible2",
       "//third_party/isimpledom",
       "//third_party/wtl",
       "//ui/metro_viewer",
       "//win8:metro_viewer",
     ]
 
     all_dependent_configs = [ ":browser_win_linker_flags" ]
 
@@ skipping 465 matching lines @@
         rebase_path(gypi_values.chrome_browser_rlz_sources, ".", "//chrome")
     deps = [
       "//components/google/core/browser",
       "//components/omnibox/browser",
       "//components/rlz",
       "//components/search_engines",
       "//rlz:rlz_lib",
     ]
   }
 }