[blink] Unique pointers in Platform.h

content/renderer/media_capture_from_element/canvas_capture_handler.cc

Index: content/renderer/media_capture_from_element/canvas_capture_handler.cc
diff --git a/content/renderer/media_capture_from_element/canvas_capture_handler.cc b/content/renderer/media_capture_from_element/canvas_capture_handler.cc
index b8b9d73736dbfa4f19739373b46ee2caa451b595..65935ec0381b7bc19d5409250ccd74c4e2428251 100644
--- a/content/renderer/media_capture_from_element/canvas_capture_handler.cc
+++ b/content/renderer/media_capture_from_element/canvas_capture_handler.cc
@@ -141,7 +141,8 @@ CanvasCaptureHandler::~CanvasCaptureHandler() {
 }
 
 // static
-CanvasCaptureHandler* CanvasCaptureHandler::CreateCanvasCaptureHandler(
+std::unique_ptr<CanvasCaptureHandler>
+CanvasCaptureHandler::CreateCanvasCaptureHandler(
     const blink::WebSize& size,
     double frame_rate,
     const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner,
@@ -150,7 +151,8 @@ CanvasCaptureHandler* CanvasCaptureHandler::CreateCanvasCaptureHandler(
   // The histogram counts the number of calls to the JS API.
   UpdateWebRTCMethodCount(WEBKIT_CANVAS_CAPTURE_STREAM);
 
-  return new CanvasCaptureHandler(size, frame_rate, io_task_runner, track);
+  return std::unique_ptr<CanvasCaptureHandler>(
+      new CanvasCaptureHandler(size, frame_rate, io_task_runner, track));
 }
 
 void CanvasCaptureHandler::SendNewFrame(const SkImage* image) {