test_runner: Migrate MockWebRTCDTMFSenderHandler to Chromium C++ style

content/shell/renderer/test_runner/mock_webrtc_dtmf_sender_handler.cc

+// Copyright 2013 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_webrtc_dtmf_sender_handler.h"
+
+#include "base/logging.h"
+#include "content/shell/renderer/test_runner/WebTestDelegate.h"
+#include "third_party/WebKit/public/platform/WebMediaStreamSource.h"
+#include "third_party/WebKit/public/platform/WebRTCDTMFSenderHandlerClient.h"
+
+using namespace blink;
+
+namespace content {
+
+class DTMFSenderToneTask : public WebMethodTask<MockWebRTCDTMFSenderHandler> {
+ public:
+  DTMFSenderToneTask(MockWebRTCDTMFSenderHandler* object,
+                     WebRTCDTMFSenderHandlerClient* client)
+      : WebMethodTask<MockWebRTCDTMFSenderHandler>(object), client_(client) {}
+
+  virtual void runIfValid() OVERRIDE {
+    WebString tones = m_object->currentToneBuffer();
+    m_object->ClearToneBuffer();
+    client_->didPlayTone(tones);
+  }
+
+ private:
+  WebRTCDTMFSenderHandlerClient* client_;
+};
+
+/////////////////////
+
+MockWebRTCDTMFSenderHandler::MockWebRTCDTMFSenderHandler(
+    const WebMediaStreamTrack& track,
+    WebTestDelegate* delegate)
+    : client_(0), track_(track), delegate_(delegate) {
+}
+
+void MockWebRTCDTMFSenderHandler::setClient(
+    WebRTCDTMFSenderHandlerClient* client) {
+  client_ = client;
+}
+
+WebString MockWebRTCDTMFSenderHandler::currentToneBuffer() {
+  return tone_buffer_;
+}
+
+bool MockWebRTCDTMFSenderHandler::canInsertDTMF() {
+  DCHECK(client_ && !track_.isNull());
+  return track_.source().type() == WebMediaStreamSource::TypeAudio &&
+         track_.isEnabled() &&
+         track_.source().readyState() == WebMediaStreamSource::ReadyStateLive;
+}
+
+bool MockWebRTCDTMFSenderHandler::insertDTMF(const WebString& tones,
+                                             long duration,
+                                             long inter_tone_gap) {
+  DCHECK(client_);
+  if (!canInsertDTMF())
+    return false;
+
+  tone_buffer_ = tones;
+  delegate_->postTask(new DTMFSenderToneTask(this, client_));
+  delegate_->postTask(new DTMFSenderToneTask(this, client_));
+  return true;
+}
+
+}  // namespace content