dbus: Replace PostTaskTo*Thread methods with Get*TaskRunner

dbus/end_to_end_async_unittest.cc

 // Copyright (c) 2012 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 <algorithm>
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 562 matching lines @@
   const std::string kHugeMessage(kHugePayloadSize, 'o');
 
   // Send the huge signal from the exported object.
   test_service_->SendTestSignal(kHugeMessage);
   // This caused a DCHECK failure before. Ensure that the issue is fixed.
   WaitForTestSignal();
   ASSERT_EQ(kHugeMessage, test_signal_string_);
 }
 
 TEST_F(EndToEndAsyncTest, DisconnectedSignal) {
-  bus_->PostTaskToDBusThread(FROM_HERE,
-                             base::Bind(&Bus::ClosePrivateConnection,
-                                        base::Unretained(bus_.get())));
+  bus_->GetDBusTaskRunner()->PostTask(FROM_HERE,
+                                      base::Bind(&Bus::ClosePrivateConnection,
+                                                 base::Unretained(bus_.get())));
   // OnDisconnected callback quits message loop.
   message_loop_.Run();
   EXPECT_EQ(1, on_disconnected_call_count_);
 }
 
 class SignalMultipleHandlerTest : public EndToEndAsyncTest {
  public:
   SignalMultipleHandlerTest() {
   }
 
@@ skipping 42 matching lines @@
   test_service_->SendTestSignal(kMessage);
   // Receive the signal with the object proxy.
   WaitForTestSignal();
   // Verify the string WAS received by the original handler.
   ASSERT_EQ(kMessage, test_signal_string_);
   // Verify the signal WAS ALSO received by the additional handler.
   ASSERT_EQ(kMessage, additional_test_signal_string_);
 }
 
 }  // namespace dbus