TestInterfaces to chromium c++ style, rename methods and remove un-used header.

content/shell/renderer/test_runner/mock_web_midi_accessor.cc

 // Copyright 2014 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 "content/shell/renderer/test_runner/mock_web_midi_accessor.h"
 
-#include "content/shell/renderer/test_runner/TestInterfaces.h"
 #include "content/shell/renderer/test_runner/WebTestDelegate.h"
+#include "content/shell/renderer/test_runner/test_interfaces.h"
 #include "content/shell/renderer/test_runner/test_runner.h"
 #include "content/shell/renderer/test_runner/web_test_runner.h"
 #include "third_party/WebKit/public/platform/WebMIDIAccessorClient.h"
 
 namespace content {
 
 namespace {
 
 class DidStartSessionTask : public WebMethodTask<MockWebMIDIAccessor> {
  public:
@@ skipping 28 matching lines @@
 void MockWebMIDIAccessor::startSession() {
   // Add a mock input and output port.
   client_->didAddInputPort("MockInputID",
                            "MockInputManufacturer",
                            "MockInputName",
                            "MockInputVersion");
   client_->didAddOutputPort("MockOutputID",
                             "MockOutputManufacturer",
                             "MockOutputName",
                             "MockOutputVersion");
-  interfaces_->delegate()->postTask(new DidStartSessionTask(
-      this, client_, interfaces_->testRunner()->midiAccessorResult()));
+  interfaces_->GetDelegate()->postTask(new DidStartSessionTask(
+      this, client_, interfaces_->GetTestRunner()->midiAccessorResult()));
 }
 
 }  // namespace content