Revert of Add a webrtc{en,de}coderfactory implementation for VideoToolbox

webrtc/modules/video_coding/codecs/h264/h264.gypi

Index: webrtc/modules/video_coding/codecs/h264/h264.gypi
diff --git a/webrtc/modules/video_coding/codecs/h264/h264.gypi b/webrtc/modules/video_coding/codecs/h264/h264.gypi
index 2a103843ef18610e2c295bf0a7c1364799c2e298..5d9282371f6228778e437a8ea155a68f125a0b23 100644
--- a/webrtc/modules/video_coding/codecs/h264/h264.gypi
+++ b/webrtc/modules/video_coding/codecs/h264/h264.gypi
@@ -15,6 +15,14 @@
       'target_name': 'webrtc_h264',
       'type': 'static_library',
       'conditions': [
+        ['OS=="ios"', {
+          'dependencies': [
+            'webrtc_h264_video_toolbox',
+          ],
+          'sources': [
+            'h264_objc.mm',
+          ],
+        }],
         # TODO(hbos): Consider renaming this flag and the below macro to
         # something which helps distinguish OpenH264/FFmpeg from other H264
         # implementations.
@@ -48,4 +56,41 @@
       ],
     }, # webrtc_h264
   ],
+  'conditions': [
+    ['OS=="ios"', {
+      'targets': [
+        {
+          'target_name': 'webrtc_h264_video_toolbox',
+          'type': 'static_library',
+          'includes': [ '../../../../build/objc_common.gypi' ],
+          'dependencies': [
+            '<(webrtc_root)/sdk/sdk.gyp:rtc_sdk_common_objc',
+          ],
+          'link_settings': {
+            'xcode_settings': {
+              'OTHER_LDFLAGS': [
+                '-framework CoreFoundation',
+                '-framework CoreMedia',
+                '-framework CoreVideo',
+                '-framework VideoToolbox',
+              ],
+            },
+          },
+          'sources': [
+            'h264_video_toolbox_decoder.cc',
+            'h264_video_toolbox_decoder.h',
+            'h264_video_toolbox_encoder.h',
+            'h264_video_toolbox_encoder.mm',
+            'h264_video_toolbox_nalu.cc',
+            'h264_video_toolbox_nalu.h',
+          ],
+          'conditions': [
+            ['build_libyuv==1', {
+              'dependencies': ['<(DEPTH)/third_party/libyuv/libyuv.gyp:libyuv'],
+            }],
+          ],
+        }, # webrtc_h264_video_toolbox
+      ], # targets
+    }], # OS=="ios"
+  ], # conditions
 }