Move RTCAudioSession* files modules/audio_device/ -> sdk/Framework.

webrtc/sdk/BUILD.gn

Index: webrtc/sdk/BUILD.gn
diff --git a/webrtc/sdk/BUILD.gn b/webrtc/sdk/BUILD.gn
index 721580d872875326f58ddfc2a29a58177a7f72f7..55f697f0bfcd1a65f664192f9a924d9796a366cb 100644
--- a/webrtc/sdk/BUILD.gn
+++ b/webrtc/sdk/BUILD.gn
@@ -91,6 +91,28 @@ if (is_ios || is_mac) {
     }
   }
 
+  rtc_static_library("rtc_sdk_audio_session") {

[tkchin_webrtc, 2017/05/03 16:48:21]

rtc_sdk_audio?

There may be things in the future we want that aren't related to audio session
specifically.

+    sources = [
+      "objc/Framework/Classes/RTCAudioSession+Configuration.mm",
+      "objc/Framework/Classes/RTCAudioSession+Private.h",
+      "objc/Framework/Classes/RTCAudioSession.mm",
+      "objc/Framework/Classes/RTCAudioSessionConfiguration.m",
+      "objc/Framework/Headers/WebRTC/RTCAudioSession.h",
+      "objc/Framework/Headers/WebRTC/RTCAudioSessionConfiguration.h",
+    ]
+    configs += [ "..:common_objc" ]
+
+    public_configs = [ ":rtc_sdk_common_objc_config" ]
+    deps = [
+      "../base:rtc_base_approved",
+    ]
+
+    if (!build_with_chromium && is_clang) {
+      # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
+      suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
+    }
+  }
+
   rtc_static_library("rtc_sdk_peerconnection_objc") {
     sources = [
       "objc/Framework/Classes/Metal/RTCMTLNV12Renderer.h",
@@ -274,7 +296,10 @@ if (is_ios || is_mac) {
         "objc/Framework/UnitTests/avformatmappertests.mm",
       ]
       if (is_ios) {
-        sources += [ "objc/Framework/UnitTests/RTCMTLVideoViewTests.mm" ]
+        sources += [
+          "objc/Framework/UnitTests/RTCAudioSessionTest.mm",
+          "objc/Framework/UnitTests/RTCMTLVideoViewTests.mm",
+        ]
         if (current_cpu != "arm64") {
           sources += [ "objc/Framework/Classes/Metal/RTCMTLVideoView.m" ]
         }
@@ -309,6 +334,8 @@ if (is_ios || is_mac) {
       output_name = "WebRTC"
 
       common_objc_headers = [
+        "objc/Framework/Headers/WebRTC/RTCAudioSession.h",
+        "objc/Framework/Headers/WebRTC/RTCAudioSessionConfiguration.h",
         "objc/Framework/Headers/WebRTC/RTCAVFoundationVideoSource.h",
         "objc/Framework/Headers/WebRTC/RTCAudioSource.h",
         "objc/Framework/Headers/WebRTC/RTCAudioTrack.h",
@@ -421,6 +448,10 @@ if (is_ios || is_mac) {
       "../system_wrappers",
     ]
 
+    if (is_ios) {
+      deps += [ ":rtc_sdk_audio_session" ]
+    }
+
     libs = [
       "CoreFoundation.framework",
       "CoreMedia.framework",