Revert of Remove MediaStreamTrack.getSources().

components/test_runner/mock_web_user_media_client.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 "components/test_runner/mock_web_user_media_client.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "components/test_runner/web_test_delegate.h"
 #include "third_party/WebKit/public/platform/WebMediaConstraints.h"
 #include "third_party/WebKit/public/platform/WebMediaDeviceInfo.h"
 #include "third_party/WebKit/public/platform/WebMediaStream.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
+#include "third_party/WebKit/public/platform/WebMediaStreamTrackSourcesRequest.h"
+#include "third_party/WebKit/public/platform/WebSourceInfo.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebMediaDevicesRequest.h"
 #include "third_party/WebKit/public/web/WebUserMediaRequest.h"
 
 using blink::WebMediaConstraints;
 using blink::WebMediaDeviceInfo;
 using blink::WebMediaDevicesRequest;
 using blink::WebMediaStream;
 using blink::WebMediaStreamSource;
 using blink::WebMediaStreamTrack;
+using blink::WebMediaStreamTrackSourcesRequest;
+using blink::WebSourceInfo;
 using blink::WebString;
 using blink::WebUserMediaRequest;
 using blink::WebVector;
 
 namespace test_runner {
 
 class MockExtraData : public WebMediaStream::ExtraData {
 };
 
 MockWebUserMediaClient::MockWebUserMediaClient(WebTestDelegate* delegate)
@@ skipping 100 matching lines @@
 
   delegate_->PostTask(
       base::Bind(&WebMediaDevicesRequest::requestSucceeded,
                  base::Owned(new WebMediaDevicesRequest(request)), devices));
 
   should_enumerate_extra_device_ = !should_enumerate_extra_device_;
   if (!media_device_change_observer_.isNull())
     media_device_change_observer_.didChangeMediaDevices();
 }
 
+void MockWebUserMediaClient::requestSources(
+    const blink::WebMediaStreamTrackSourcesRequest& request) {
+  struct {
+    const char* id;
+    WebSourceInfo::SourceKind kind;
+    const char* label;
+    WebSourceInfo::VideoFacingMode facing;
+  } test_sources[] = {
+    {
+      "device1",
+      WebSourceInfo::SourceKindAudio,
+      "Built-in microphone",
+      WebSourceInfo::VideoFacingModeNone,
+    },
+    {
+      "device2",
+      WebSourceInfo::SourceKindVideo,
+      "Build-in webcam",
+      WebSourceInfo::VideoFacingModeEnvironment,
+    },
+  };
+
+  WebVector<WebSourceInfo> sources(arraysize(test_sources));
+  for (size_t i = 0; i < arraysize(test_sources); ++i) {
+  sources[i].initialize(WebString::fromUTF8(test_sources[i].id),
+                        test_sources[i].kind,
+                        WebString::fromUTF8(test_sources[i].label),
+                        test_sources[i].facing);
+  }
+
+  delegate_->PostTask(base::Bind(
+      &WebMediaStreamTrackSourcesRequest::requestSucceeded,
+      base::Owned(new WebMediaStreamTrackSourcesRequest(request)), sources));
+}
+
 void MockWebUserMediaClient::setMediaDeviceChangeObserver(
     const blink::WebMediaDeviceChangeObserver& observer) {
   media_device_change_observer_ = observer;
 }
 
 }  // namespace test_runner