Clean up Linux zygote creation code

content/browser/browser_main_loop.cc

Index: content/browser/browser_main_loop.cc
diff --git a/content/browser/browser_main_loop.cc b/content/browser/browser_main_loop.cc
index bd97520f2bf35ae4c5f23d44376d87fdaed69665..af84ede1de6d7fc17916dc63eee1c08fc5b65b96 100644
--- a/content/browser/browser_main_loop.cc
+++ b/content/browser/browser_main_loop.cc
@@ -229,12 +229,12 @@ void SetupSandbox(const base::CommandLine& parsed_command_line) {
 
   // Tickle the zygote host so it forks now.
   ZygoteHostImpl::GetInstance()->Init(parsed_command_line);
-  *GetGenericZygote() = CreateZygote();
+  ZygoteHandle generic_zygote = CreateGenericZygote();
   // 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());
+      generic_zygote->GetSandboxStatus());
 }
 #endif