Start off the Content API by moving content::ContentRendererClient to content\public\renderer.BU...

content/content_renderer.gypi

 # Copyright (c) 2011 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': [
     '../jingle/jingle.gyp:jingle_glue',
     '../net/net.gyp:net',
     '../ppapi/ppapi_internal.gyp:ppapi_proxy',
     '../skia/skia.gyp:skia',
     '../third_party/ffmpeg/ffmpeg.gyp:ffmpeg',
     '../third_party/icu/icu.gyp:icuuc',
     '../third_party/icu/icu.gyp:icui18n',
     '../third_party/libjingle/libjingle.gyp:libjingle',
     '../third_party/libjingle/libjingle.gyp:libjingle_p2p',
     '../third_party/npapi/npapi.gyp:npapi',
     '../third_party/WebKit/Source/WebKit/chromium/WebKit.gyp:webkit',
     '../ui/gfx/surface/surface.gyp:surface',
     '../v8/tools/gyp/v8.gyp:v8',
     '../webkit/support/webkit_support.gyp:webkit_gpu',
   ],
   'include_dirs': [
     '..',
   ],
   'sources': [
+    'public/renderer/content_renderer_client.h',
     'renderer/active_notification_tracker.cc',
     'renderer/active_notification_tracker.h',
     'renderer/content_renderer_client.h',
     'renderer/device_orientation_dispatcher.cc',
     'renderer/device_orientation_dispatcher.h',
     'renderer/devtools_agent.cc',
     'renderer/devtools_agent.h',
     'renderer/devtools_agent_filter.cc',
     'renderer/devtools_agent_filter.h',
     'renderer/devtools_client.cc',
@@ skipping 202 matching lines @@
       ],
       'sources': [
         'renderer/media/video_capture_module_impl.cc',
         'renderer/media/video_capture_module_impl.h',
         'renderer/media/webrtc_audio_device_impl.cc',
         'renderer/media/webrtc_audio_device_impl.h',
       ],
     }],
   ],
 }