Remove use_openssl from webrtc

webrtc/base/BUILD.gn

 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 import("//build/config/crypto.gni")
 import("//build/config/ui.gni")
 import("../build/webrtc.gni")
 
-# Enable OpenSSL (BoringSSL) for iOS. This is covered in webrtc/supplement.gypi
-# for the GYP build.
 import("//build_overrides/webrtc.gni")
-if (is_ios && !build_with_chromium) {
-  use_openssl = true
-}
 
 config("rtc_base_config") {
   include_dirs = [
     "//third_party/jsoncpp/overrides/include",
     "//third_party/jsoncpp/source/include",
   ]
 
   defines = [
     "FEATURE_ENABLE_SSL",
     "LOGGING=1",
@@ skipping 44 matching lines @@
 config("mac_x86_config") {
   libs = [
     #"Carbon.framework",  # Already included in //build/config:default_libs.
   ]
 }
 
 if (is_linux && !build_with_chromium) {
   # Provides the same functionality as the //crypto:platform target, which
   # WebRTC cannot use as we don't sync src/crypto from Chromium.
   group("linux_system_ssl") {
-    if (use_openssl) {
-      deps = [
-        "//third_party/boringssl",
-      ]
-    }
+    deps = [
+      "//third_party/boringssl",
+    ]
   }
 }
 
 if (rtc_build_ssl == 0) {
   config("external_ssl_library") {
     assert(rtc_ssl_root != "",
            "You must specify rtc_ssl_root when rtc_build_ssl==0.")
     include_dirs = [ rtc_ssl_root ]
   }
 }
@@ skipping 171 matching lines @@
     "messagehandler.h",
     "messagequeue.cc",
     "messagequeue.h",
     "nethelpers.cc",
     "nethelpers.h",
     "network.cc",
     "network.h",
     "networkmonitor.cc",
     "networkmonitor.h",
     "nullsocketserver.h",
+    "openssl.h",
+    "openssladapter.cc",
+    "openssladapter.h",
+    "openssldigest.cc",
+    "openssldigest.h",
+    "opensslidentity.cc",
+    "opensslidentity.h",
+    "opensslstreamadapter.cc",
+    "opensslstreamadapter.h",
     "pathutils.cc",
     "pathutils.h",
     "physicalsocketserver.cc",
     "physicalsocketserver.h",
     "proxydetect.cc",
     "proxydetect.h",
     "proxyinfo.cc",
     "proxyinfo.h",
     "ratelimiter.cc",
     "ratelimiter.h",
@@ skipping 168 matching lines @@
 
   # TODO(henrike): issue 3307, make rtc_base build with the Chromium default
   # compiler settings.
   configs -= [ "//build/config/compiler:chromium_code" ]
   configs += [ "//build/config/compiler:no_chromium_code" ]
   if (!is_win) {
     cflags += [ "-Wno-uninitialized" ]
     cflags_cc += [ "-Wno-non-virtual-dtor" ]
   }
 
-  # TODO(kjellander): The use_openssl block should really go away in order for
-  # the GN build to be similar to the GYP build. See http://crbug.com/601042 for
-  # more details.
-  if (use_openssl) {
-    if (rtc_build_ssl) {
-      deps += [ "//third_party/boringssl" ]
-    } else {
-      configs += [ "external_ssl_library" ]
-    }
-    sources += [
-      "openssl.h",
-      "openssladapter.cc",
-      "openssladapter.h",
-      "openssldigest.cc",
-      "openssldigest.h",
-      "opensslidentity.cc",
-      "opensslidentity.h",
-      "opensslstreamadapter.cc",
-      "opensslstreamadapter.h",
-    ]
+  if (rtc_build_ssl) {
+    deps += [ "//third_party/boringssl" ]
+  } else {
+    configs += [ "external_ssl_library" ]
   }
 
   if (is_android) {
     sources += [
       "ifaddrs-android.cc",
       "ifaddrs-android.h",
     ]
 
     libs += [
       "log",
@@ skipping 147 matching lines @@
       "objc/RTCUIApplication.mm",
     ]
   }
 }
 
 source_set("gtest_prod") {
   sources = [
     "gtest_prod_util.h",
   ]
 }