Strip IP addresses in NDEBUG (release) builds.

Also removes the ability to override (set) this.

BUG=
R=pthatcher@webrtc.org

Review URL: https://codereview.webrtc.org/1480743002 .

Cr-Commit-Position: refs/heads/master@{#10796}
diff --git a/webrtc/base/socketaddress_unittest.cc b/webrtc/base/socketaddress_unittest.cc
index 6e9f089..21412fa 100644
--- a/webrtc/base/socketaddress_unittest.cc
+++ b/webrtc/base/socketaddress_unittest.cc
@@ -325,23 +325,26 @@
   SocketAddress addr_v4("1.2.3.4", 5678);
   EXPECT_EQ("1.2.3.4", addr_v4.HostAsURIString());
   EXPECT_EQ("1.2.3.4:5678", addr_v4.ToString());
-  EXPECT_EQ("1.2.3.4", addr_v4.HostAsSensitiveURIString());
-  EXPECT_EQ("1.2.3.4:5678", addr_v4.ToSensitiveString());
-  IPAddress::set_strip_sensitive(true);
+
+#if defined(NDEBUG)
   EXPECT_EQ("1.2.3.x", addr_v4.HostAsSensitiveURIString());
   EXPECT_EQ("1.2.3.x:5678", addr_v4.ToSensitiveString());
-  IPAddress::set_strip_sensitive(false);
+#else
+  EXPECT_EQ("1.2.3.4", addr_v4.HostAsSensitiveURIString());
+  EXPECT_EQ("1.2.3.4:5678", addr_v4.ToSensitiveString());
+#endif  // defined(NDEBUG)
 
   SocketAddress addr_v6(kTestV6AddrString, 5678);
   EXPECT_EQ("[" + kTestV6AddrString + "]", addr_v6.HostAsURIString());
   EXPECT_EQ(kTestV6AddrFullString, addr_v6.ToString());
-  EXPECT_EQ("[" + kTestV6AddrString + "]", addr_v6.HostAsSensitiveURIString());
-  EXPECT_EQ(kTestV6AddrFullString, addr_v6.ToSensitiveString());
-  IPAddress::set_strip_sensitive(true);
+#if defined(NDEBUG)
   EXPECT_EQ("[" + kTestV6AddrAnonymizedString + "]",
             addr_v6.HostAsSensitiveURIString());
   EXPECT_EQ(kTestV6AddrFullAnonymizedString, addr_v6.ToSensitiveString());
-  IPAddress::set_strip_sensitive(false);
+#else
+  EXPECT_EQ("[" + kTestV6AddrString + "]", addr_v6.HostAsSensitiveURIString());
+  EXPECT_EQ(kTestV6AddrFullString, addr_v6.ToSensitiveString());
+#endif  // defined(NDEBUG)
 }
 
 }  // namespace rtc