Convert PageLoadMetrics to Mojo

components/page_load_metrics.gypi

 # 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.
 
 {
   'conditions': [
     ['OS != "ios"', {
       'targets': [
         {
           'target_name': 'page_load_metrics_common',
           'type': 'static_library',
           'dependencies': [
             '../base/base.gyp:base',
             '../ipc/ipc.gyp:ipc',
           ],
           'include_dirs': [
             '..',
           ],
           'sources': [
-            'page_load_metrics/common/page_load_metrics_messages.cc',
-            'page_load_metrics/common/page_load_metrics_messages.h',
+            'page_load_metrics/common/page_load_metrics_param_traits.cc',
+            'page_load_metrics/common/page_load_metrics_param_traits.h',
             'page_load_metrics/common/page_load_timing.cc',
             'page_load_metrics/common/page_load_timing.h',
           ],
         },
         {
           'target_name': 'page_load_metrics_browser',
           'type': 'static_library',
           'dependencies': [
             '../base/base.gyp:base',
             '../content/content.gyp:content_browser',
             '../ipc/ipc.gyp:ipc',
+            '../services/shell/shell_public.gyp:shell_public',
             'page_load_metrics_common',
+            'page_load_metrics_mojom',
           ],
           'include_dirs': [
             '..',
           ],
           'sources': [
             'page_load_metrics/browser/metrics_web_contents_observer.cc',
             'page_load_metrics/browser/metrics_web_contents_observer.h',
             'page_load_metrics/browser/page_load_metrics_observer.cc',
             'page_load_metrics/browser/page_load_metrics_observer.h',
             'page_load_metrics/browser/page_load_metrics_util.cc',
             'page_load_metrics/browser/page_load_metrics_util.h',
           ],
         },
         {
           'target_name': 'page_load_metrics_renderer',
           'type': 'static_library',
           'dependencies': [
             '../base/base.gyp:base',
             '../content/content.gyp:content_renderer',
+            '../services/shell/shell_public.gyp:shell_public',
             '../third_party/WebKit/public/blink.gyp:blink',
             '../url/url.gyp:url_lib',
             'page_load_metrics_common',
+            'page_load_metrics_mojom',
           ],
           'include_dirs': [
             '..',
           ],
           'sources': [
             'page_load_metrics/renderer/metrics_render_frame_observer.cc',
             'page_load_metrics/renderer/metrics_render_frame_observer.h',
             'page_load_metrics/renderer/page_timing_metrics_sender.cc',
             'page_load_metrics/renderer/page_timing_metrics_sender.h',
           ],
         },
+        {
+          # GN version: //components/page_load_metrics/common:page_load_metrics_mojom
+          'target_name': 'page_load_metrics_mojom',
+          'type': 'static_library',
+          'sources': [
+            'page_load_metrics/common/page_load_metrics.mojom',
+          ],
+          'variables': {
+            'mojom_typemaps': [
+              'page_load_metrics/common/page_load_metrics.typemap',
+            ],
+          },
+          'dependencies': [
+            '../mojo/mojo_public.gyp:mojo_cpp_bindings',
+          ],
+          'includes': [ '../mojo/mojom_bindings_generator.gypi' ],
+        },
       ],
     }]
   ]
 }