Refactoring: Make IPC::Channel::TakeClientFileDescriptor() a ScopedFD.

content/browser/gpu/gpu_process_host.cc

Index: content/browser/gpu/gpu_process_host.cc
diff --git a/content/browser/gpu/gpu_process_host.cc b/content/browser/gpu/gpu_process_host.cc
index 41d4431d4f8629a09c781a910d72c9e6bf9498ad..0b4bfa80e8ae9efa8f8fb6808ee035362fac0549 100644
--- a/content/browser/gpu/gpu_process_host.cc
+++ b/content/browser/gpu/gpu_process_host.cc
@@ -250,8 +250,8 @@ class GpuSandboxedProcessLauncherDelegate
   }
 #elif defined(OS_POSIX)
 
-  virtual int GetIpcFd() override {
-    return ipc_fd_;
+  virtual base::ScopedFD TakeIpcFd() override {
+    return ipc_fd_.Pass();
   }
 #endif  // OS_WIN
 
@@ -259,7 +259,7 @@ class GpuSandboxedProcessLauncherDelegate
 #if defined(OS_WIN)
   base::CommandLine* cmd_line_;
 #elif defined(OS_POSIX)
-  int ipc_fd_;
+  base::ScopedFD ipc_fd_;
 #endif  // OS_WIN
 };