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

content/browser/ppapi_plugin_process_host.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/browser/ppapi_plugin_process_host.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 33 matching lines @@
 
 namespace content {
 
 // NOTE: changes to this class need to be reviewed by the security team.
 class PpapiPluginSandboxedProcessLauncherDelegate
     : public content::SandboxedProcessLauncherDelegate {
  public:
   PpapiPluginSandboxedProcessLauncherDelegate(bool is_broker,
                                               const PepperPluginInfo& info,
                                               ChildProcessHost* host)
-      : info_(info),
+      :
+#if defined(OS_WIN)
+        info_(info),
+#endif // OS_WIN
 #if defined(OS_POSIX)
         ipc_fd_(host->TakeClientFileDescriptor()),
 #endif  // OS_POSIX
         is_broker_(is_broker) {}
 
   ~PpapiPluginSandboxedProcessLauncherDelegate() override {}
 
 #if defined(OS_WIN)
   bool ShouldSandbox() override {
     return !is_broker_;
@@ skipping 39 matching lines @@
     return !is_broker_ && plugin_launcher.empty();
   }
   base::ScopedFD TakeIpcFd() override { return std::move(ipc_fd_); }
 #endif  // OS_WIN
 
   SandboxType GetSandboxType() override {
     return SANDBOX_TYPE_PPAPI;
   }
 
  private:
+#if defined(OS_WIN)
   const PepperPluginInfo& info_;
+#endif // OS_WIN
 #if defined(OS_POSIX)
   base::ScopedFD ipc_fd_;
 #endif  // OS_POSIX
   bool is_broker_;
 
   DISALLOW_COPY_AND_ASSIGN(PpapiPluginSandboxedProcessLauncherDelegate);
 };
 
 class PpapiPluginProcessHost::PluginNetworkObserver
     : public net::NetworkChangeNotifier::IPAddressObserver,
@@ skipping 391 matching lines @@
   // sent_requests_ queue should be the one that the plugin just created.
   Client* client = sent_requests_.front();
   sent_requests_.pop();
 
   const ChildProcessData& data = process_->GetData();
   client->OnPpapiChannelOpened(channel_handle, base::GetProcId(data.handle),
                                data.id);
 }
 
 }  // namespace content