Remove unused copies of EarlyZygoteLaunch()

content/browser/renderer_host/render_process_host_impl.cc

 // Copyright 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 206 matching lines @@
 #include "sandbox/win/src/sandbox_policy.h"
 #include "ui/display/win/dpi.h"
 #endif
 
 #if defined(OS_MACOSX)
 #include "content/browser/bootstrap_sandbox_manager_mac.h"
 #include "content/browser/mach_broker_mac.h"
 #endif
 
 #if defined(OS_POSIX)
-#include "content/browser/zygote_host/zygote_communication_linux.h"
-#include "content/browser/zygote_host/zygote_host_impl_linux.h"
 #include "content/public/browser/zygote_handle_linux.h"
 #endif  // defined(OS_POSIX)
 
 #if defined(USE_OZONE)
 #include "ui/ozone/public/ozone_switches.h"
 #endif
 
 #if BUILDFLAG(ENABLE_PLUGINS)
 #include "content/browser/plugin_service_impl.h"
 #include "ppapi/shared_impl/ppapi_switches.h"  // nogncheck
@@ skipping 137 matching lines @@
   DCHECK(context);
   SiteProcessMap* map = static_cast<SiteProcessMap*>(
       context->GetUserData(kSiteProcessMapKeyName));
   if (!map) {
     map = new SiteProcessMap();
     context->SetUserData(kSiteProcessMapKeyName, map);
   }
   return map;
 }
 
-#if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
-// This static member variable holds the zygote communication information for
-// the renderer.
-ZygoteHandle g_render_zygote;
-#endif  // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
-
 // NOTE: changes to this class need to be reviewed by the security team.
 class RendererSandboxedProcessLauncherDelegate
     : public SandboxedProcessLauncherDelegate {
  public:
   RendererSandboxedProcessLauncherDelegate() {}
 
   ~RendererSandboxedProcessLauncherDelegate() override {}
 
 #if defined(OS_WIN)
   bool PreSpawnTarget(sandbox::TargetPolicy* policy) override {
@@ skipping 286 matching lines @@
     max_count = std::min(max_count, kMaxRendererProcessCount);
   }
   return max_count;
 }
 
 // static
 void RenderProcessHost::SetMaxRendererProcessCount(size_t count) {
   g_max_renderer_count_override = count;
 }
 
-#if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
-// static
-void RenderProcessHostImpl::EarlyZygoteLaunch() {
-  DCHECK(!g_render_zygote);

[James Cook, 2017/04/27 21:43:49]

Never written! :-)

-  // TODO(kerrnel): Investigate doing this without the ZygoteHostImpl as a
-  // proxy. It is currently done this way due to concerns about race
-  // conditions.
-  ZygoteHostImpl::GetInstance()->SetRendererSandboxStatus(
-      (*GetGenericZygote())->GetSandboxStatus());
-}
-#endif  // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
-
 RenderProcessHostImpl::RenderProcessHostImpl(
     BrowserContext* browser_context,
     StoragePartitionImpl* storage_partition_impl,
     bool is_for_guests_only)
     : fast_shutdown_started_(false),
       deleting_soon_(false),
 #ifndef NDEBUG
       is_self_deleted_(false),
 #endif
       pending_views_(0),
@@ skipping 2419 matching lines @@
   LOG(ERROR) << "Terminating render process for bad Mojo message: " << error;
 
   // The ReceivedBadMessage call below will trigger a DumpWithoutCrashing.
   // Capture the error message in a crash key value.
   base::debug::ScopedCrashKey error_key_value("mojo-message-error", error);
   bad_message::ReceivedBadMessage(render_process_id,
                                   bad_message::RPH_MOJO_PROCESS_ERROR);
 }
 
 }  // namespace content