Remove unnecessary std::move().

Bug: 703565
Change-Id: Ic71b59bcff1c14e3e5a221951b58ba12893b1004
Reviewed-on: https://chromium-review.googlesource.com/765658Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Sylvain Defresne <sdefresne@chromium.org>
Cr-Commit-Position: refs/heads/master@{#515964}

chrome/browser/chromeos/extensions/info_private_api.cc

@@ -351,10 +351,7 @@ std::unique_ptr<base::Value> ChromeosInfoPrivateGetFunction::GetValue(
   }
 
   if (property_name == kPropertySupportedTimezones) {
-    std::unique_ptr<base::ListValue> values =
-        chromeos::system::GetTimezoneList();
-    // TODO(crbug.com/703565): remove std::move() once Xcode 9.0+ is required.
-    return std::move(values);
+    return chromeos::system::GetTimezoneList();
   }
 
   const char* pref_name = GetBoolPrefNameForApiProperty(property_name.c_str());

chrome/browser/extensions/api/proxy/proxy_api.cc

@@ -190,8 +190,7 @@ std::unique_ptr<base::Value> ProxyPrefTransformer::BrowserToExtensionPref(
     case ProxyPrefs::kModeCount:
       NOTREACHED();
   }
-  // TODO(crbug.com/703565): remove std::move() once compiler support improves.
-  return std::move(extension_pref);
+  return extension_pref;
 }
 
 }  // namespace extensions