Add new view that renders local video using AVCaptureLayerPreview.

webrtc/base/base.gyp

 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 {
   'includes': [ '../build/common.gypi', ],
@@ skipping 15 matching lines @@
     # of some settings pulled down from Chromium.
     ['OS=="ios"', {
       'targets': [
         {
           'target_name': 'rtc_base_objc',
           'type': 'static_library',
           'dependencies': [
             'rtc_base',
           ],
           'sources': [
+            'objc/RTCCameraPreviewView.h',
+            'objc/RTCCameraPreviewView.m',
+            'objc/RTCDispatcher.h',
+            'objc/RTCDispatcher.m',
             'objc/RTCLogging.h',
-            'objc/RTCLogging.mm'
+            'objc/RTCLogging.mm',
           ],
           'xcode_settings': {
             'CLANG_ENABLE_OBJC_ARC': 'YES',
             'CLANG_WARN_OBJC_MISSING_PROPERTY_SYNTHESIS': 'YES',
           },
         }
       ],
     }], # OS=="ios"
   ],
   'targets': [
@@ skipping 645 matching lines @@
           ],
         }, {
           'include_dirs': [
             '<(ssl_root)',
           ],
         }],
       ],
     },
   ],
 }