Disable link-time optimization for remoting PNaCl plugin in Debug mode

remoting/client/plugin/BUILD.gn

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 assert(is_nacl,
        "These targets must only be built using the untrusted NaCl toolchains.")
 
 import("//build/config/features.gni")
 
-config("enable_linker_optimization") {
-  ldflags = [ "-Wl,-O1" ]
-}
-
 executable("remoting_client_plugin_newlib") {
   sources = [
     "chromoting_instance.cc",
     "chromoting_instance.h",
     "delegating_signal_strategy.cc",
     "delegating_signal_strategy.h",
     "pepper_address_resolver.cc",
     "pepper_address_resolver.h",
     "pepper_audio_player.cc",
     "pepper_audio_player.h",
@@ skipping 18 matching lines @@
     "pepper_util.h",
     "pepper_video_renderer.h",
     "pepper_video_renderer_2d.cc",
     "pepper_video_renderer_2d.h",
     "pepper_video_renderer_3d.cc",
     "pepper_video_renderer_3d.h",
   ]
 
   configs += [ "//build/config/compiler:wexit_time_destructors" ]
 
-  if (is_debug) {
-    # Always enable link-time optimization in debug builds to workaround
-    # crbug.com/538243 .
-    configs += [ ":enable_linker_optimization" ]
-  }
-
   deps = [
     "//net",
     "//ppapi/cpp",
     "//ppapi/native_client:ppapi_lib",
     "//remoting/base",
     "//remoting/client",
     "//remoting/codec",
     "//remoting/protocol",
     "//third_party/libyuv",
     "//third_party/webrtc/modules/desktop_capture:primitives",
     "//ui/events:dom_keycode_converter",
   ]
 
   include_dirs = [ "//ppapi/lib/gl/include" ]
 }
 
 if (enable_nacl && is_debug) {
   copy("remoting_client_plugin_newlib_debug") {
     public_deps = [
       ":remoting_client_plugin_newlib",
     ]
     sources = [
       "$root_out_dir/exe.unstripped/remoting_client_plugin_newlib.pexe",
     ]
     outputs = [
       "$root_out_dir/remoting_client_plugin_newlib.pexe.debug",
     ]
   }
 }