Re-write many calls to WrapUnique() with MakeUnique()

chrome/browser/net/disk_cache_dir_policy_handler_unittest.cc

Index: chrome/browser/net/disk_cache_dir_policy_handler_unittest.cc
diff --git a/chrome/browser/net/disk_cache_dir_policy_handler_unittest.cc b/chrome/browser/net/disk_cache_dir_policy_handler_unittest.cc
index ee0425aa1e03da0e1eca80c34fea3679fc9fe987..a716025ee9ad01125dc6441b42f39c7e70442e5b 100644
--- a/chrome/browser/net/disk_cache_dir_policy_handler_unittest.cc
+++ b/chrome/browser/net/disk_cache_dir_policy_handler_unittest.cc
@@ -32,7 +32,7 @@ TEST_F(DiskCacheDirPolicyTest, SetPolicyInvalid) {
   // DiskCacheDir policy expects a string; give it a boolean.
   policy_.Set(key::kDiskCacheDir, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
               POLICY_SOURCE_CLOUD,
-              base::WrapUnique(new base::FundamentalValue(false)), nullptr);
+              base::MakeUnique<base::FundamentalValue>(false), nullptr);
   handler_.ApplyPolicySettings(policy_, &prefs_);
   EXPECT_FALSE(prefs_.GetValue(prefs::kDiskCacheDir, NULL));
 }
@@ -41,7 +41,7 @@ TEST_F(DiskCacheDirPolicyTest, SetPolicyValid) {
   // Use a variable in the value. It should be expanded by the handler.
   const std::string in = "${user_name}/foo";
   policy_.Set(key::kDiskCacheDir, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_USER,
-              POLICY_SOURCE_CLOUD, base::WrapUnique(new base::StringValue(in)),
+              POLICY_SOURCE_CLOUD, base::MakeUnique<base::StringValue>(in),
               nullptr);
   handler_.ApplyPolicySettings(policy_, &prefs_);