GN: New conventions, default target and refactorings

webrtc/sdk/BUILD.gn

 # Copyright 2016 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.
 
 import("../build/webrtc.gni")
 if (is_mac) {
   import("//build/config/mac/mac_sdk.gni")
   import("//build/config/mac/rules.gni")
 }
 if (is_ios) {
   import("//build/config/ios/rules.gni")
 }
 
+group("sdk") {
+  if (is_ios || (is_mac && mac_deployment_target == "10.7")) {
+    public_deps = [
+      ":rtc_sdk_framework_objc",
+    ]
+  }
+}
+
 if (is_ios || (is_mac && mac_deployment_target == "10.7")) {
   config("rtc_sdk_common_objc_config") {
     include_dirs = [
       "objc/Framework/Classes",
       "objc/Framework/Headers",
     ]
   }
 
   rtc_static_library("rtc_sdk_common_objc") {
     deps = [
@@ skipping 313 matching lines @@
 
   rtc_static_library("rtc_sdk_objc") {
     complete_static_lib = true
     deps = [
       ":rtc_sdk_peerconnection_objc",
       "../system_wrappers:field_trial_default",
       "../system_wrappers:metrics_default",
     ]
   }
 }