Revert of [mojo-bindings] Use Watch API instead of MessagePumpMojo

url/mojo/url_gurl_struct_traits_unittest.cc

 // Copyright 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.
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/macros.h"
-#include "base/message_loop/message_loop.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/mojo/url_test.mojom.h"
 
 namespace url {
 
 class UrlTestImpl : public mojom::UrlTest {
  public:
   explicit UrlTestImpl(mojo::InterfaceRequest<mojom::UrlTest> request)
       : binding_(this, std::move(request)) {
@@ skipping 61 matching lines @@
   EXPECT_TRUE(proxy->BounceOrigin(non_unique, &output));
   EXPECT_EQ(non_unique, output);
   EXPECT_FALSE(non_unique.unique());
 
   Origin unique;
   EXPECT_TRUE(proxy->BounceOrigin(unique, &output));
   EXPECT_TRUE(output.unique());
 }
 
 }  // namespace url