Update API for Objective-C RTCConfiguration.

webrtc/api/objctests/RTCIceServerTest.mm

Index: webrtc/api/objctests/RTCIceServerTest.mm
diff --git a/webrtc/api/objctests/RTCIceServerTest.mm b/webrtc/api/objctests/RTCIceServerTest.mm
index 5fa43f84477edde9c2085cb6c2e6d030e7e267e7..8852d24fd9be70ed750a11b92d118dfdde38796a 100644
--- a/webrtc/api/objctests/RTCIceServerTest.mm
+++ b/webrtc/api/objctests/RTCIceServerTest.mm
@@ -16,11 +16,13 @@
 
 #import "webrtc/api/objc/RTCIceServer.h"
 #import "webrtc/api/objc/RTCIceServer+Private.h"
+#import "webrtc/base/objc/NSString+StdString.h"
 
 @interface RTCIceServerTest : NSObject
 - (void)testOneURLServer;
 - (void)testTwoURLServer;
 - (void)testPasswordCredential;
+- (void)testInitFromNativeServer;
 @end
 
 @implementation RTCIceServerTest
@@ -60,6 +62,21 @@
   EXPECT_EQ("credential", iceStruct.password);
 }
 
+- (void)testInitFromNativeServer {
+  webrtc::PeerConnectionInterface::IceServer nativeServer;
+  nativeServer.username = "username";
+  nativeServer.password = "password";
+  nativeServer.urls.push_back("stun:stun.example.net");
+
+  RTCIceServer *iceServer =
+      [[RTCIceServer alloc] initWithNativeServer:nativeServer];
+  EXPECT_EQ((size_t)1, iceServer.urlStrings.count);
+  EXPECT_EQ("stun:stun.example.net",
+      [NSString stdStringForString:iceServer.urlStrings.firstObject]);
+  EXPECT_EQ("username", [NSString stdStringForString:iceServer.username]);
+  EXPECT_EQ("password", [NSString stdStringForString:iceServer.credential]);
+}
+
 @end
 
 TEST(RTCIceServerTest, OneURLTest) {
@@ -82,3 +99,10 @@ TEST(RTCIceServerTest, PasswordCredentialTest) {
     [test testPasswordCredential];
   }
 }
+
+TEST(RTCIceServerTest, InitFromNativeServerTest) {
+  @autoreleasepool {
+    RTCIceServerTest *test = [[RTCIceServerTest alloc] init];
+    [test testInitFromNativeServer];
+  }
+}