Implement screen capturer for MediaStream API.

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': [
     'browser/speech/proto/speech_proto.gyp:speech_proto',
     '../base/base.gyp:base_static',
     '../crypto/crypto.gyp:crypto',
     '../google_apis/google_apis.gyp:google_apis',
@@ skipping 931 matching lines @@
     ['OS!="mac" and OS!="ios"', {
       'dependencies': [
         '../sandbox/sandbox.gyp:sandbox',
       ],
     }],
     ['OS!="android" and OS!="ios"', {
       'dependencies': [
         '../third_party/libyuv/libyuv.gyp:libyuv',
       ],
     }],
+    ['(OS=="win" or OS=="mac" or OS=="linux") and enable_webrtc==1', {
+      'dependencies': [
+        '../remoting/remoting.gyp:remoting_screen_capturer',
+      ],
+      'sources': [
+        'browser/renderer_host/media/screen_capturer.cc',
+        'browser/renderer_host/media/screen_capturer.h',
+      ],
+    }],
     ['enable_webrtc==1', {
       'sources': [
         'browser/media/webrtc_internals.cc',
         'browser/media/webrtc_internals.h',
         'browser/renderer_host/media/peer_connection_tracker_host.cc',
         'browser/renderer_host/media/peer_connection_tracker_host.h',
         'browser/renderer_host/p2p/socket_host.cc',
         'browser/renderer_host/p2p/socket_host.h',
         'browser/renderer_host/p2p/socket_host_tcp.cc',
         'browser/renderer_host/p2p/socket_host_tcp.h',
@@ skipping 202 matching lines @@
         ['exclude', '^browser/speech/'],
       ],
     }],
     ['linux_use_libgps==1', {
       'dependencies': [
         '../build/linux/system.gyp:libgps',
       ],
     }],
   ],
 }