GN Templates: Use the optimize_max compiler config.

webrtc/build/webrtc.gni

 # 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/arm.gni")
 import("//build/config/features.gni")
@@ skipping 155 matching lines @@
 # automatically included when using the rtc_* templates.
 # It sets defines, include paths and compilation warnings accordingly,
 # both for WebRTC stand-alone builds and for the scenario when WebRTC
 # native code is built as part of Chromium.
 rtc_common_config = webrtc_root + ":common_config"
 
 # Common configs to remove or add in all rtc targets.
 rtc_remove_configs = []
 rtc_add_configs = [ rtc_common_config ]
 
+if (!is_debug) {
+  rtc_remove_configs += [ "//build/config/compiler:default_optimization" ]
+  rtc_add_configs += [ "//build/config/compiler:optimize_max" ]
+}
+
 set_defaults("rtc_test") {
   configs = rtc_add_configs
   suppressed_configs = []
 }
 
 set_defaults("rtc_source_set") {
   configs = rtc_add_configs
   suppressed_configs = []
 }
 
@@ skipping 60 matching lines @@
                            "*",
                            [
                              "configs",
                              "suppressed_configs",
                            ])
     configs += invoker.configs
     configs -= rtc_remove_configs
     configs -= invoker.suppressed_configs
   }
 }