Make `content` target build without unused data members on Linux.

content/renderer/renderer_main_platform_delegate_android.cc

 // Copyright (c) 2012 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.
 
 #include "content/renderer/renderer_main_platform_delegate.h"
 
 #include "base/android/build_info.h"
 #include "base/feature_list.h"
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 60 matching lines @@
     // On Marshmallow and higher, Seccomp is required by CTS.
     return true;
   }
   return false;
 }
 #endif  // USE_SECCOMP_BPF
 
 }  // namespace
 
 RendererMainPlatformDelegate::RendererMainPlatformDelegate(
-    const MainFunctionParams& parameters)
-    : parameters_(parameters) {
-}
+    const MainFunctionParams& parameters) {}
 
 RendererMainPlatformDelegate::~RendererMainPlatformDelegate() {
 }
 
 void RendererMainPlatformDelegate::PlatformInitialize() {
 }
 
 void RendererMainPlatformDelegate::PlatformUninitialize() {
 }
 
@@ skipping 24 matching lines @@
 
     status_uma.set_status(RecordSeccompStatus::ENGAGED);
   } else {
     status_uma.set_status(RecordSeccompStatus::FEATURE_DISABLED);
   }
 #endif
   return true;
 }
 
 }  // namespace content