Rewrite clipboard write IPC handling to be easier to understand.

content/content_renderer.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': [
     'content_common_mojo_bindings',
     '../base/base.gyp:base',
     '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
     '../cc/cc.gyp:cc',
@@ skipping 324 matching lines @@
       'renderer/render_view_impl_params.h',
       'renderer/render_view_linux.cc',
       'renderer/render_view_mouse_lock_dispatcher.cc',
       'renderer/render_view_mouse_lock_dispatcher.h',
       'renderer/render_widget.cc',
       'renderer/render_widget.h',
       'renderer/render_widget_fullscreen.cc',
       'renderer/render_widget_fullscreen.h',
       'renderer/renderer_blink_platform_impl.cc',
       'renderer/renderer_blink_platform_impl.h',
-      'renderer/renderer_clipboard_client.cc',
-      'renderer/renderer_clipboard_client.h',
+      'renderer/renderer_clipboard_delegate.cc',
+      'renderer/renderer_clipboard_delegate.h',
       'renderer/renderer_font_platform_win.cc',
       'renderer/renderer_font_platform_win.h',
       'renderer/renderer_main.cc',
       'renderer/renderer_main_platform_delegate.h',
       'renderer/renderer_main_platform_delegate_android.cc',
       'renderer/renderer_main_platform_delegate_linux.cc',
       'renderer/renderer_main_platform_delegate_mac.mm',
       'renderer/renderer_main_platform_delegate_win.cc',
       'renderer/renderer_webapplicationcachehost_impl.cc',
       'renderer/renderer_webapplicationcachehost_impl.h',
       'renderer/renderer_webcolorchooser_impl.cc',
       'renderer/renderer_webcolorchooser_impl.h',
       'renderer/renderer_webcookiejar_impl.cc',
       'renderer/renderer_webcookiejar_impl.h',
       'renderer/resizing_mode_selector.cc',
       'renderer/resizing_mode_selector.h',
       'renderer/sad_plugin.cc',
       'renderer/sad_plugin.h',
       'renderer/savable_resources.cc',
       'renderer/savable_resources.h',
       'renderer/scheduler_proxy_task_runner.h',
       'renderer/screen_orientation/screen_orientation_dispatcher.cc',
       'renderer/screen_orientation/screen_orientation_dispatcher.h',
       'renderer/screen_orientation/screen_orientation_observer.cc',
       'renderer/screen_orientation/screen_orientation_observer.h',
-      'renderer/scoped_clipboard_writer_glue.cc',
-      'renderer/scoped_clipboard_writer_glue.h',
       'renderer/service_worker/embedded_worker_context_client.cc',
       'renderer/service_worker/embedded_worker_context_client.h',
       'renderer/service_worker/embedded_worker_context_message_filter.cc',
       'renderer/service_worker/embedded_worker_context_message_filter.h',
       'renderer/service_worker/embedded_worker_devtools_agent.cc',
       'renderer/service_worker/embedded_worker_devtools_agent.h',
       'renderer/service_worker/embedded_worker_dispatcher.cc',
       'renderer/service_worker/embedded_worker_dispatcher.h',
       'renderer/service_worker/service_worker_cache_storage_dispatcher.cc',
       'renderer/service_worker/service_worker_cache_storage_dispatcher.h',
@@ skipping 450 matching lines @@
     }],
   ],
   'target_conditions': [
     ['OS=="android"', {
       'sources/': [
         ['include', '^renderer/render_view_linux\\.cc$'],
       ],
     }],
   ],
 }