iOS HW H264 support.

webrtc/modules/video_coding/BUILD.gn

Index: webrtc/modules/video_coding/BUILD.gn
diff --git a/webrtc/modules/video_coding/BUILD.gn b/webrtc/modules/video_coding/BUILD.gn
index 88f9bbaaa7830d5d9469ac66d079cf86f8450b1e..e05ab855e8c4699a145b9470d687302a0c59a042 100644
--- a/webrtc/modules/video_coding/BUILD.gn
+++ b/webrtc/modules/video_coding/BUILD.gn
@@ -81,6 +81,7 @@ source_set("video_coding") {
 
   deps = [
     ":video_coding_utility",
+    ":webrtc_h264",
     ":webrtc_i420",
     ":webrtc_vp8",
     ":webrtc_vp9",
@@ -115,6 +116,29 @@ source_set("video_coding_utility") {
   ]
 }
 
+source_set("webrtc_h264") {
+  sources = [
+    "codecs/h264/h264.cc",
+    "codecs/h264/include/h264.h",
+  ]
+
+  configs += [ "../..:common_config" ]
+  public_configs = [ "../..:common_inherited_config" ]
+
+  if (is_clang) {
+    # Suppress warnings from Chrome's Clang plugins.
+    # See http://code.google.com/p/webrtc/issues/detail?id=163 for details.
+    configs -= [ "//build/config/clang:find_bad_constructs" ]
+  }
+
+  deps = [
+    "../../system_wrappers",
+  ]
+}
+
+# TODO(tkchin): Source set for webrtc_h264_video_toolbox. Currently not
+# possible to add, see https://crbug.com/297668.
+
 source_set("webrtc_i420") {
   sources = [
     "codecs/i420/main/interface/i420.h",