Add the UtilityProcessMojoClient class and convert SafeJsonParser

content/content_browser.gypi

 # 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.
 
 {
   'dependencies': [
     '../base/base.gyp:base_static',
     '../cc/cc.gyp:cc',
     '../cc/cc.gyp:cc_surfaces',
     '../components/components.gyp:display_compositor',
@@ skipping 307 matching lines @@
       'public/browser/stream_info.cc',
       'public/browser/stream_info.h',
       'public/browser/trace_uploader.h',
       'public/browser/tracing_controller.h',
       'public/browser/tracing_delegate.cc',
       'public/browser/tracing_delegate.h',
       'public/browser/url_data_source.cc',
       'public/browser/url_data_source.h',
       'public/browser/user_metrics.h',
       'public/browser/utility_process_host.h',
+      'public/browser/utility_process_mojo_client.h',
+      'public/browser/utility_process_mojo_client_impl.h',
       'public/browser/web_contents.cc',
       'public/browser/web_contents.h',
       'public/browser/web_contents_delegate.cc',
       'public/browser/web_contents_delegate.h',
       'public/browser/web_contents_media_capture_id.cc',
       'public/browser/web_contents_media_capture_id.h',
       'public/browser/web_contents_observer.cc',
       'public/browser/web_contents_observer.h',
       'public/browser/web_contents_user_data.h',
       'public/browser/web_contents_view_delegate.cc',
@@ skipping 1250 matching lines @@
       'browser/tracing/trace_message_filter.cc',
       'browser/tracing/trace_message_filter.h',
       'browser/tracing/tracing_controller_impl.cc',
       'browser/tracing/tracing_controller_impl.h',
       'browser/tracing/tracing_controller_impl_data_sinks.cc',
       'browser/tracing/tracing_ui.cc',
       'browser/tracing/tracing_ui.h',
       'browser/user_metrics.cc',
       'browser/utility_process_host_impl.cc',
       'browser/utility_process_host_impl.h',
+      'browser/utility_process_mojo_client_impl.cc',
       'browser/wake_lock/wake_lock_service_context.cc',
       'browser/wake_lock/wake_lock_service_context.h',
       'browser/wake_lock/wake_lock_service_impl.cc',
       'browser/wake_lock/wake_lock_service_impl.h',
       'browser/web_contents/aura/gesture_nav_simple.cc',
       'browser/web_contents/aura/gesture_nav_simple.h',
       'browser/web_contents/aura/overscroll_navigation_overlay.cc',
       'browser/web_contents/aura/overscroll_navigation_overlay.h',
       'browser/web_contents/aura/overscroll_window_animation.cc',
       'browser/web_contents/aura/overscroll_window_animation.h',
@@ skipping 598 matching lines @@
       ],
     }],
     ['OS != "mac" and OS != "android"', {
       'sources!': [
         'browser/gpu/gpu_surface_tracker.cc',
         'browser/gpu/gpu_surface_tracker.h',
       ],
     }],
   ],
 }