Remove google_toolbox_unittest.mm as unnecessary.

The test was calling gtm_dictionaryWithHttpArgumentsString method
to verify that method exists. Chrome does not call this
method, so there is no need to test method existence.

Bug: 933827
Change-Id: I86200d3d8bbb9096f12277b7e951422b07672d8f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1500628
Auto-Submit: Eugene But <eugenebut@chromium.org>
Commit-Queue: Rohit Rao <rohitrao@chromium.org>
Reviewed-by: Rohit Rao <rohitrao@chromium.org>
Cr-Commit-Position: refs/heads/master@{#638420}

ios/chrome/test/BUILD.gn

@@ -97,19 +97,6 @@ source_set("run_all_unittests") {
   ]
 }
 
-source_set("unit_tests") {
-  configs += [ "//build/config/compiler:enable_arc" ]
-  testonly = true
-  sources = [
-    "google_toolbox_unittest.mm",
-  ]
-  deps = [
-    "//base",
-    "//testing/gtest",
-    "//third_party/google_toolbox_for_mac",
-  ]
-}
-
 test("ios_chrome_perftests") {
   deps = [
     # Ensure that all perf tests are run, use fake hooks and pack resources.
@@ -134,7 +121,6 @@ test("ios_chrome_unittests") {
     ios_packed_resources_target,
 
     # Add unit_tests target here.
-    ":unit_tests",
     "//ios/chrome/app:unit_tests",
     "//ios/chrome/app/application_delegate:unit_tests",
     "//ios/chrome/app/spotlight:unit_tests",

ios/chrome/test/google_toolbox_unittest.mm

-// Copyright (c) 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#import <Foundation/Foundation.h>
-
-#include "base/logging.h"
-#import "testing/gtest_mac.h"
-#include "testing/platform_test.h"
-#import "third_party/google_toolbox_for_mac/src/Foundation/GTMNSDictionary+URLArguments.h"
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-using GoogleToolboxForMacTest = PlatformTest;
-
-// TODO(crbug.com/933827): Remove this pragma.
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wdeprecated-declarations"
-
-// [NSDictionary gtm_dictionaryWithHttpArgumentsString] is used downstream.
-// This test ensures that we keep compiling the file.
-TEST_F(GoogleToolboxForMacTest, dictionaryWithHttpArgumentsString) {
-  NSDictionary* dict = [NSDictionary gtm_dictionaryWithHttpArgumentsString:@""];
-  EXPECT_EQ(0u, [dict count]);
-}
-
-#pragma clang diagnostic pop