Move platform dependent part of WebRtcMedium into WebRtcPlatform.

PiperOrigin-RevId: 919888693

internal/platform/implementation/windows/webrtc.cc

@@ -14,17 +14,13 @@
 
 #include "internal/platform/implementation/windows/webrtc.h"
 
-#include <winnls.h>
-
 #include <memory>
 #include <optional>
-#include <string>
 #include <utility>
 
 #include "absl/strings/string_view.h"
 #include "connections/implementation/mediums/webrtc/tachyon_express_signaling_messenger.h"
 #include "internal/platform/implementation/webrtc.h"
-#include "internal/platform/logging.h"
 #include "webrtc/api/create_modular_peer_connection_factory.h"
 #include "webrtc/api/peer_connection_interface.h"
 #include "webrtc/api/rtc_error.h"
@@ -35,20 +31,6 @@ namespace nearby::windows {
 
 using ::nearby::connections::mediums::TachyonExpressSignalingMessenger;
 
-std::string WebRtcMedium::GetDefaultCountryCode() {
-  wchar_t systemGeoName[LOCALE_NAME_MAX_LENGTH];
-
-  if (!GetUserDefaultGeoName(systemGeoName, LOCALE_NAME_MAX_LENGTH)) {
-    LOG(ERROR) << __func__
-               << ": Failed to GetUserDefaultGeoName: " << ". Fall back to US.";
-    return "US";
-  }
-  std::wstring wideGeo(systemGeoName);
-  std::string systemGeoNameString(wideGeo.begin(), wideGeo.end());
-  VLOG(1) << "GetUserDefaultGeoName() returns: " << systemGeoNameString;
-  return systemGeoNameString;
-}
-
 void WebRtcMedium::CreatePeerConnection(
     webrtc::PeerConnectionObserver* observer, PeerConnectionCallback callback) {
   CreatePeerConnection(std::nullopt, observer, std::move(callback));

internal/platform/implementation/windows/webrtc.h

@@ -17,7 +17,6 @@
 
 #include <memory>
 #include <optional>
-#include <string>
 
 #include "absl/strings/string_view.h"
 #include "internal/platform/implementation/webrtc.h"
@@ -29,11 +28,6 @@ class WebRtcMedium : public api::WebRtcMedium {
  public:
   ~WebRtcMedium() override = default;
 
-  // Gets the default two-letter country code associated with current locale.
-  // For example, en_US locale resolves to "US".
-  // This follows the ISO 3166-1 Alpha-2 standard.
-  std::string GetDefaultCountryCode() override;
-
   // Creates and returns a new webrtc::PeerConnectionInterface object via
   // |callback|.
   void CreatePeerConnection(webrtc::PeerConnectionObserver* observer,

internal/platform/implementation/windows/webrtc_test.cc

@@ -51,12 +51,6 @@ location::nearby::connections::LocationHint GetCountryCodeLocationHint(
   return location_hint;
 }
 
-TEST(WebrtcTest, CountryCodeDefault) {
-  WebRtcMedium medium;
-  std::string result = medium.GetDefaultCountryCode();
-  EXPECT_EQ(result, "US");
-}
-
 TEST(WebrtcTest, CreatePeerConnectionSucceeds) {
   auto observer = std::make_unique<MockPeerConnectionObserver>();
   WebRtcMedium medium;