Migrate page_load_metrics out of components.

components/components_tests.gyp

Index: components/components_tests.gyp
diff --git a/components/components_tests.gyp b/components/components_tests.gyp
index c1b7a9710f1187ec17533824955f22d72a39d1d3..ef9921057dd773765ae122cd620c114cd93a76d4 100644
--- a/components/components_tests.gyp
+++ b/components/components_tests.gyp
@@ -494,13 +494,6 @@
       'packed_ct_ev_whitelist/bit_stream_reader_unittest.cc',
       'packed_ct_ev_whitelist/packed_ct_ev_whitelist_unittest.cc',
     ],
-    'page_load_metrics_unittest_sources': [
-      'page_load_metrics/browser/metrics_web_contents_observer_unittest.cc',
-      'page_load_metrics/renderer/fake_page_timing_metrics_ipc_sender.cc',
-      'page_load_metrics/renderer/fake_page_timing_metrics_ipc_sender.h',
-      'page_load_metrics/renderer/metrics_render_frame_observer_unittest.cc',
-      'page_load_metrics/renderer/page_timing_metrics_sender_unittest.cc',
-    ],
     'password_manager_unittest_sources': [
       'password_manager/content/browser/content_password_manager_driver_unittest.cc',
       'password_manager/content/browser/credential_manager_impl_unittest.cc',
@@ -1328,7 +1321,6 @@
             '<@(network_hints_unittest_sources)',
             '<@(ntp_tiles_unittest_sources)',
             '<@(packed_ct_ev_whitelist_unittest_sources)',
-            '<@(page_load_metrics_unittest_sources)',
             '<@(power_unittest_sources)',
             '<@(safe_browsing_db_unittest_sources)',
             '<@(safe_json_unittest_sources)',
@@ -1374,8 +1366,6 @@
             'components.gyp:network_hints_renderer',
             'components.gyp:ntp_tiles',
             'components.gyp:packed_ct_ev_whitelist',
-            'components.gyp:page_load_metrics_browser',
-            'components.gyp:page_load_metrics_renderer',
             'components.gyp:password_manager_content_browser',
             'components.gyp:power',
             'components.gyp:precache_content',