Convert //components/[f-n]* from scoped_ptr to std::unique_ptr

components/filesystem/file_system_app.cc

Index: components/filesystem/file_system_app.cc
diff --git a/components/filesystem/file_system_app.cc b/components/filesystem/file_system_app.cc
index 14408e8af5be89595a982eb1f70b048fc53b08f9..6e444d51e2f0a4b9d4c68a542ef3dfa0f7acd6e0 100644
--- a/components/filesystem/file_system_app.cc
+++ b/components/filesystem/file_system_app.cc
@@ -4,6 +4,8 @@
 
 #include "components/filesystem/file_system_app.h"
 
+#include <memory>
+
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
@@ -70,7 +72,7 @@ base::FilePath FileSystemApp::GetUserDataDir() {
 #elif defined(OS_ANDROID)
     CHECK(PathService::Get(base::DIR_ANDROID_APP_DATA, &path));
 #elif defined(OS_LINUX)
-    scoped_ptr<base::Environment> env(base::Environment::Create());
+    std::unique_ptr<base::Environment> env(base::Environment::Create());
     path = base::nix::GetXDGDirectory(env.get(),
                                       base::nix::kXdgConfigHomeEnvVar,
                                       base::nix::kDotConfigDir);