Refactor WebRTC code to avoid use of select for stubs

PiperOrigin-RevId: 518491132

internal/platform/BUILD

@@ -397,6 +397,7 @@ cc_library(
         "bluetooth_adapter.h",
         "bluetooth_classic.h",
         "credential_storage_impl.h",
+        "webrtc.h",
         "wifi.h",
         "wifi_direct.h",
         "wifi_hotspot.h",

internal/platform/implementation/BUILD

@@ -66,6 +66,7 @@ cc_library(
         "credential_storage.h",
         "http_loader.h",
         "server_sync.h",
+        "webrtc.h",
         "wifi.h",
         "wifi_direct.h",
         "wifi_hotspot.h",

internal/platform/implementation/g3/BUILD

@@ -62,6 +62,7 @@ cc_library(
         "bluetooth_adapter.cc",
         "bluetooth_classic.cc",
         "credential_storage_impl.cc",
+        "webrtc.cc",
         "wifi_direct.cc",
         "wifi_hotspot.cc",
         "wifi_lan.cc",
@@ -72,6 +73,7 @@ cc_library(
         "bluetooth_adapter.h",
         "bluetooth_classic.h",
         "credential_storage_impl.h",
+        "webrtc.h",
         "wifi.h",
         "wifi_direct.h",
         "wifi_hotspot.h",

internal/platform/implementation/webrtc.h

@@ -15,6 +15,8 @@
 #ifndef PLATFORM_API_WEBRTC_H_
 #define PLATFORM_API_WEBRTC_H_
 
+#ifndef NO_WEBRTC
+
 #include <memory>
 #include <string>
 
@@ -67,4 +69,6 @@ class WebRtcMedium {
 }  // namespace api
 }  // namespace nearby
 
+#endif
+
 #endif  // PLATFORM_API_WEBRTC_H_