Remove requirement that mojo::Environment be instantiated.

mojo/public/cpp/bindings/tests/synchronous_interface_ptr_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 "mojo/public/cpp/bindings/lib/synchronous_connector.h"
 
 #include <thread>
 #include <utility>
 
 #include "mojo/public/cpp/bindings/binding.h"
 #include "mojo/public/cpp/bindings/interface_request.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 #include "mojo/public/cpp/bindings/synchronous_interface_ptr.h"
-#include "mojo/public/cpp/environment/environment.h"
 #include "mojo/public/cpp/utility/run_loop.h"
 #include "mojo/public/interfaces/bindings/tests/math_calculator.mojom-sync.h"
 #include "mojo/public/interfaces/bindings/tests/math_calculator.mojom.h"
 #include "mojo/public/interfaces/bindings/tests/scoping.mojom-sync.h"
 #include "mojo/public/interfaces/bindings/tests/scoping.mojom.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
 namespace test {
 namespace {
@@ skipping 37 matching lines @@
   // own RunLoop!
   static void StartMathCalculator(InterfaceRequest<math::Calculator> server) {
     // Runloop is thread-local, and this is what the MathCalculatorImpl will end
     // up using.
     RunLoop loop;
     MathCalculatorImpl calc_impl(std::move(server));
     loop.Run();
   }
 
  private:
-  Environment env_;
   RunLoop loop_;
 };
 
 TEST_F(SynchronousInterfacePtrTest, IsBound) {
   SynchronousInterfacePtr<math::Calculator> calc;
   EXPECT_FALSE(calc.is_bound());
   EXPECT_FALSE(calc);
 
   MathCalculatorImpl calc_impl(GetSynchronousProxy(&calc));
   EXPECT_TRUE(calc.is_bound());
@@ skipping 135 matching lines @@
   // While B & C have fallen out of scope, the service-side endpoints of the
   // pipes will remain until they are flushed.
   EXPECT_FALSE(a_impl.d_called());
   PumpMessages();
   EXPECT_TRUE(a_impl.d_called());
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace mojo