Move platform dependent part of WebRtcMedium into WebRtcPlatform.

PiperOrigin-RevId: 919888693

connections/implementation/mediums/webrtc.h

@@ -40,10 +40,6 @@ class WebRtc {
 
   virtual ~WebRtc() = default;
 
-  // Gets the default two-letter country code associated with current locale.
-  // For example, en_US locale resolves to "US".
-  virtual std::string GetDefaultCountryCode() { return ""; }
-
   // Returns if WebRtc is available as a medium for nearby to transport data.
   // Runs on @MainThread.
   virtual bool IsAvailable() { return false; }

connections/implementation/mediums/webrtc/BUILD

@@ -132,6 +132,7 @@ cc_library(
         "//internal/platform:cancellation_flag",
         "//internal/platform:logging",
         "//internal/platform:types",
+        "//internal/platform/implementation:webrtc_platform",
         "//proto/mediums:web_rtc_signaling_frames_cc_proto",
         "//third_party/webrtc/files/stable/webrtc/api:jsep",
         "//third_party/webrtc/files/stable/webrtc/rtc_base:network_constants",

connections/implementation/mediums/webrtc/webrtc.h

@@ -17,7 +17,6 @@
 
 #include <memory>
 #include <optional>
-#include <string>
 #include <utility>
 
 #include "absl/strings/string_view.h"
@@ -72,10 +71,6 @@ class WebRtcMedium {
   WebRtcMedium(WebRtcMedium&&) = default;
   WebRtcMedium& operator=(WebRtcMedium&&) = delete;
 
-  // Gets the default two-letter country code associated with current locale.
-  // For example, en_US locale resolves to "US".
-  std::string GetDefaultCountryCode() { return impl_->GetDefaultCountryCode(); }
-
   void SetNonCellular(bool non_cellular) { non_cellular_ = non_cellular; }
 
   // Creates and returns a new webrtc::PeerConnectionInterface object via

connections/implementation/mediums/webrtc/webrtc_bwu_handler.cc

@@ -30,6 +30,7 @@
 #include "connections/implementation/offline_frames.h"
 #include "connections/implementation/proto/offline_wire_formats.pb.h"
 #include "internal/platform/expected.h"
+#include "internal/platform/implementation/webrtc_platform.h"
 #include "internal/platform/logging.h"
 
 namespace nearby {
@@ -135,8 +136,8 @@ void WebrtcBwuHandler::HandleRevertInitiatorStateForService(
 std::string WebrtcBwuHandler::HandleInitializeUpgradedMediumForEndpoint(
     ClientProxy* client, const std::string& upgrade_service_id,
     const std::string& endpoint_id) {
-  LocationHint location_hint =
-      BuildLocationHint(webrtc_.GetDefaultCountryCode());
+  LocationHint location_hint = BuildLocationHint(
+      api::WebRtcImplementationPlatform::GetDefaultCountryCode());
 
   mediums::WebrtcPeerId self_id{mediums::WebrtcPeerId::FromRandom()};
   if (!webrtc_.IsAcceptingConnections(upgrade_service_id)) {

connections/implementation/mediums/webrtc/webrtc_impl.cc

@@ -81,10 +81,6 @@ WebRtcImpl::~WebRtcImpl() {
   }
 }
 
-std::string WebRtcImpl::GetDefaultCountryCode() {
-  return medium_->GetDefaultCountryCode();
-}
-
 bool WebRtcImpl::IsAvailable() { return medium_->IsValid(); }
 
 bool WebRtcImpl::IsAcceptingConnections(const std::string& service_id) {

connections/implementation/mediums/webrtc/webrtc_impl.h

@@ -52,7 +52,6 @@ class WebRtcImpl : public WebRtc {
   ~WebRtcImpl() override;
 
   // Overrides for WebRtc:
-  std::string GetDefaultCountryCode() override;
   bool IsAvailable() override;
   bool IsAcceptingConnections(const std::string& service_id) override
       ABSL_LOCKS_EXCLUDED(mutex_);