Media Stream Image Capture (4): wire takePhoto and implement in FakeVCDevice

content/browser/media/capture/image_capture_impl.h

Index: content/browser/media/capture/image_capture_impl.h
diff --git a/content/browser/media/capture/image_capture_impl.h b/content/browser/media/capture/image_capture_impl.h
index eef67328c01aeeef056621cfb4ac0ba1a95fbee9..2daccd10c672f896629ad75e54f0a2a88e306347 100644
--- a/content/browser/media/capture/image_capture_impl.h
+++ b/content/browser/media/capture/image_capture_impl.h
@@ -12,6 +12,8 @@
 
 namespace content {
 
+class MediaStreamManager;
+
 class ImageCaptureImpl : public blink::mojom::ImageCapture {
  public:
   static void Create(
@@ -25,6 +27,10 @@ class ImageCaptureImpl : public blink::mojom::ImageCapture {
   explicit ImageCaptureImpl(
       mojo::InterfaceRequest<blink::mojom::ImageCapture> request);
 
+  void TakePhotoOnIOThread(const mojo::String& source_id,
+                           const TakePhotoCallback& callback,
+                           MediaStreamManager* media_stream_manager);
+
   mojo::StrongBinding<blink::mojom::ImageCapture> binding_;
 
   DISALLOW_COPY_AND_ASSIGN(ImageCaptureImpl);