Migrate page_load_metrics out of components.

components/page_load_metrics/renderer/BUILD.gn

Index: components/page_load_metrics/renderer/BUILD.gn
diff --git a/components/page_load_metrics/renderer/BUILD.gn b/components/page_load_metrics/renderer/BUILD.gn
deleted file mode 100644
index 0ebfda1fa9a87ff6a0a253d6238fb4a8f04d650b..0000000000000000000000000000000000000000
--- a/components/page_load_metrics/renderer/BUILD.gn
+++ /dev/null
@@ -1,41 +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.
-
-# GYP version: components/page_load_metrics.gypi:page_load_metrics_renderer
-static_library("renderer") {
-  sources = [
-    "metrics_render_frame_observer.cc",
-    "metrics_render_frame_observer.h",
-    "page_timing_metrics_sender.cc",
-    "page_timing_metrics_sender.h",
-  ]
-  public_deps = [
-    "//content/public/renderer",
-  ]
-  deps = [
-    "//base",
-    "//components/page_load_metrics/common",
-    "//ipc",
-    "//third_party/WebKit/public:blink",
-    "//url",
-  ]
-}
-
-source_set("unit_tests") {
-  testonly = true
-  sources = [
-    "fake_page_timing_metrics_ipc_sender.cc",
-    "fake_page_timing_metrics_ipc_sender.h",
-    "metrics_render_frame_observer_unittest.cc",
-    "page_timing_metrics_sender_unittest.cc",
-  ]
-  deps = [
-    ":renderer",
-    "//base",
-    "//components/page_load_metrics/common",
-    "//ipc",
-    "//testing/gmock",
-    "//testing/gtest",
-  ]
-}