Move part of metrics from chrome/common to components

chrome/common/metrics/proto/user_action_event.proto

Index: chrome/common/metrics/proto/user_action_event.proto
diff --git a/chrome/common/metrics/proto/user_action_event.proto b/chrome/common/metrics/proto/user_action_event.proto
deleted file mode 100644
index ff688b67b1b7a7ac9fe3c4c63e65c29acf83fe6b..0000000000000000000000000000000000000000
--- a/chrome/common/metrics/proto/user_action_event.proto
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright (c) 2012 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.
-//
-// Stores information about an event that occurs in response to a user action,
-// e.g. an interaction with a browser UI element.
-
-syntax = "proto2";
-
-option optimize_for = LITE_RUNTIME;
-
-package metrics;
-
-// Next tag: 3
-message UserActionEventProto {
-  // The name of the action, hashed.
-  optional fixed64 name_hash = 1;
-
-  // The timestamp for the event, in seconds since the epoch.
-  optional int64 time = 2;
-}