Revert of Change mojo_public_bindings_unittests to use chromium environment.

third_party/mojo/src/mojo/public/cpp/bindings/tests/connector_unittest.cc

Index: third_party/mojo/src/mojo/public/cpp/bindings/tests/connector_unittest.cc
diff --git a/third_party/mojo/src/mojo/public/cpp/bindings/tests/connector_unittest.cc b/third_party/mojo/src/mojo/public/cpp/bindings/tests/connector_unittest.cc
index febc72e90ef30a4d9793553e900ddd44d9215a16..c62794e723e6312fb7b8d07da9de80e33aee90ea 100644
--- a/third_party/mojo/src/mojo/public/cpp/bindings/tests/connector_unittest.cc
+++ b/third_party/mojo/src/mojo/public/cpp/bindings/tests/connector_unittest.cc
@@ -5,12 +5,12 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "base/message_loop/message_loop.h"
-#include "mojo/message_pump/message_pump_mojo.h"
 #include "mojo/public/cpp/bindings/lib/connector.h"
 #include "mojo/public/cpp/bindings/lib/message_builder.h"
 #include "mojo/public/cpp/bindings/tests/message_queue.h"
+#include "mojo/public/cpp/environment/environment.h"
 #include "mojo/public/cpp/system/macros.h"
+#include "mojo/public/cpp/utility/run_loop.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
@@ -73,7 +73,7 @@
 
 class ConnectorTest : public testing::Test {
  public:
-  ConnectorTest() : loop_(common::MessagePumpMojo::Create()) {}
+  ConnectorTest() {}
 
   void SetUp() override {
     CreateMessagePipe(nullptr, &handle0_, &handle1_);
@@ -96,7 +96,8 @@
   ScopedMessagePipeHandle handle1_;
 
  private:
-  base::MessageLoop loop_;
+  Environment env_;
+  RunLoop loop_;
 };
 
 TEST_F(ConnectorTest, Basic) {
@@ -248,7 +249,7 @@
   // Close the other end of the pipe.
   handle1_.reset();
 
-  // Not observed yet because we haven't spun the message loop yet.
+  // Not observed yet because we haven't spun the RunLoop yet.
   EXPECT_FALSE(connector0.encountered_error());
 
   // Write failures are not reported.
@@ -258,7 +259,7 @@
   // Still not observed.
   EXPECT_FALSE(connector0.encountered_error());
 
-  // Spin the message loop, and then we should start observing the closed pipe.
+  // Spin the RunLoop, and then we should start observing the closed pipe.
   PumpMessages();
 
   EXPECT_TRUE(connector0.encountered_error());