Convert //chrome/installer from scoped_ptr to std::unique_ptr

chrome/installer/setup/installer_crash_reporter_client.cc

Index: chrome/installer/setup/installer_crash_reporter_client.cc
diff --git a/chrome/installer/setup/installer_crash_reporter_client.cc b/chrome/installer/setup/installer_crash_reporter_client.cc
index 65ff3318a55295d1c91618b5268b67ac6cbbd635..fa1ac1f02702bc93583e9e15fc3cae886c29ad24 100644
--- a/chrome/installer/setup/installer_crash_reporter_client.cc
+++ b/chrome/installer/setup/installer_crash_reporter_client.cc
@@ -43,7 +43,7 @@ void InstallerCrashReporterClient::GetProductNameAndVersion(
   // MUST match server-side configuration.
   *product_name = base::ASCIIToUTF16(PRODUCT_SHORTNAME_STRING);
 
-  scoped_ptr<FileVersionInfo> version_info(
+  std::unique_ptr<FileVersionInfo> version_info(
       FileVersionInfo::CreateFileVersionInfo(exe_path));
   if (version_info) {
     *version = version_info->product_version();
@@ -119,7 +119,7 @@ size_t InstallerCrashReporterClient::RegisterCrashKeys() {
 }
 
 bool InstallerCrashReporterClient::IsRunningUnattended() {
-  scoped_ptr<base::Environment> env(base::Environment::Create());
+  std::unique_ptr<base::Environment> env(base::Environment::Create());
   return env->HasVar(env_vars::kHeadless);
 }