Refactor CallStackProfile::Params into base/ for use over IPC.

base/metrics/call_stack_profile_params.cc

Index: base/metrics/call_stack_profile_params.cc
diff --git a/base/metrics/call_stack_profile_params.cc b/base/metrics/call_stack_profile_params.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8f8a594783e093b621afc1d1a3493729c5d7ba16
--- /dev/null
+++ b/base/metrics/call_stack_profile_params.cc
@@ -0,0 +1,22 @@
+// 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 "base/metrics/call_stack_profile_params.h"
+
+namespace base {
+
+CallStackProfileParams::CallStackProfileParams(
+    base::CallStackProfileParams::Trigger trigger)
+    : CallStackProfileParams(trigger, false) {}
+
+CallStackProfileParams::CallStackProfileParams(
+    base::CallStackProfileParams::Trigger trigger,
+    bool preserve_sample_ordering)
+    : trigger(trigger), preserve_sample_ordering(preserve_sample_ordering) {}
+
+CallStackProfileParams::CallStackProfileParams()
+    : trigger(base::CallStackProfileParams::UNKNOWN),

[Mike Wittman, 2015/08/31 20:13:06]

nit: use a delegating constructor here, like the first constructor does

[sydli, 2015/08/31 22:02:44]

Done.

+      preserve_sample_ordering(false) {}
+
+}  // namespace base