Break chrome_initial's dependence on //components/startup_metric_utils/browser:lib

components/startup_metric_utils/browser/startup_metric_utils.h

 // 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.
 
 #ifndef COMPONENTS_STARTUP_METRIC_UTILS_BROWSER_STARTUP_METRIC_UTILS_H_
 #define COMPONENTS_STARTUP_METRIC_UTILS_BROWSER_STARTUP_METRIC_UTILS_H_
 
 #include "base/time/time.h"
 
 class PrefRegistrySimple;
@@ skipping 27 matching lines @@
 void RecordStartupProcessCreationTime(const base::Time& time);
 
 // Call this with a time recorded as early as possible in the startup process.
 // On Android, the entry point time is the time at which the Java code starts.
 // In Mojo, the entry point time is the time at which the shell starts.
 void RecordMainEntryPointTime(const base::Time& time);
 
 // Call this with the time when the executable is loaded and main() is entered.
 // Can be different from |RecordMainEntryPointTime| when the startup process is
 // contained in a separate dll, such as with chrome.exe / chrome.dll on Windows.
-void RecordExeMainEntryPointTime(const base::Time& time);
+void RecordExeMainEntryPointTicks(const base::TimeTicks& time);

[grt (UTC plus 2), 2016/09/20 19:20:27]

I left this as const-ref for consistency with the surrounding code.

 
 // Call this with the time recorded just before the message loop is started.
 // |is_first_run| - is the current launch part of a first run. |pref_service| is
 // used to store state for stats that span multiple startups.
 void RecordBrowserMainMessageLoopStart(const base::TimeTicks& ticks,
                                        bool is_first_run,
                                        PrefService* pref_service);
 
 // Call this with the time when the first browser window became visible.
 void RecordBrowserWindowDisplay(const base::TimeTicks& ticks);
@@ skipping 24 matching lines @@
 void RecordFirstWebContentsMainNavigationFinished(const base::TimeTicks& ticks);
 
 // Returns the TimeTicks corresponding to main entry as recorded by
 // RecordMainEntryPointTime. Returns a null TimeTicks if a value has not been
 // recorded yet. This method is expected to be called from the UI thread.
 base::TimeTicks MainEntryPointTicks();
 
 }  // namespace startup_metric_utils
 
 #endif  // COMPONENTS_STARTUP_METRIC_UTILS_BROWSER_STARTUP_METRIC_UTILS_H_