Privatize StrongBinding lifetime management

content/browser/media/capture/image_capture_impl.cc

Index: content/browser/media/capture/image_capture_impl.cc
diff --git a/content/browser/media/capture/image_capture_impl.cc b/content/browser/media/capture/image_capture_impl.cc
index 6f0615d09d34f8ed14e0a9847b557e1ce1f8f8d9..4860b3e4f0953a2623f6513a67e52ecdd2820e25 100644
--- a/content/browser/media/capture/image_capture_impl.cc
+++ b/content/browser/media/capture/image_capture_impl.cc
@@ -14,6 +14,7 @@
 #include "content/public/browser/browser_thread.h"
 #include "media/base/bind_to_current_loop.h"
 #include "media/capture/video/video_capture_device.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
 
 namespace content {
 
@@ -116,15 +117,16 @@ void TakePhotoOnIOThread(
 
 }  // anonymous namespace
 
-// static
-void ImageCaptureImpl::Create(
-    mojo::InterfaceRequest<media::mojom::ImageCapture> request) {
-  // |binding_| will take ownership of ImageCaptureImpl.
-  new ImageCaptureImpl(std::move(request));
-}
+ImageCaptureImpl::ImageCaptureImpl() {}
 
 ImageCaptureImpl::~ImageCaptureImpl() {}
 
+// static
+void ImageCaptureImpl::Create(media::mojom::ImageCaptureRequest request) {
+  mojo::MakeStrongBinding(base::MakeUnique<ImageCaptureImpl>(),
+                          std::move(request));
+}
+
 void ImageCaptureImpl::GetCapabilities(
     const std::string& source_id,
     const GetCapabilitiesCallback& callback) {
@@ -172,8 +174,4 @@ void ImageCaptureImpl::TakePhoto(const std::string& source_id,
                  base::Passed(&scoped_callback)));
 }
 
-ImageCaptureImpl::ImageCaptureImpl(
-    mojo::InterfaceRequest<media::mojom::ImageCapture> request)
-    : binding_(this, std::move(request)) {}
-
 }  // namespace content