Make stack sampling profiler sample beyond startup.

components/metrics/call_stack_profile_params.cc

Index: components/metrics/call_stack_profile_params.cc
diff --git a/components/metrics/call_stack_profile_params.cc b/components/metrics/call_stack_profile_params.cc
deleted file mode 100644
index e937283616c3e4e859e7f2c447c671c3837eab53..0000000000000000000000000000000000000000
--- a/components/metrics/call_stack_profile_params.cc
+++ /dev/null
@@ -1,22 +0,0 @@
-// Copyright 2015 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.
-
-#include "components/metrics/call_stack_profile_params.h"
-
-namespace metrics {
-
-CallStackProfileParams::CallStackProfileParams()
-    : CallStackProfileParams(UNKNOWN_PROCESS, UNKNOWN_THREAD, UNKNOWN) {}
-
-CallStackProfileParams::CallStackProfileParams(Process process, Thread thread,
-                                               Trigger trigger)
-    : CallStackProfileParams(process, thread, trigger, MAY_SHUFFLE) {}
-
-CallStackProfileParams::CallStackProfileParams(Process process, Thread thread,
-                                               Trigger trigger,
-                                               SampleOrderingSpec ordering_spec)
-    : process(process), thread(thread), trigger(trigger),
-      ordering_spec(ordering_spec) {}
-
-}  // namespace metrics