Remove uses of skia::GetWritablePixels(PaintCanvas)

content/renderer/media/image_capture_frame_grabber.cc

Index: content/renderer/media/image_capture_frame_grabber.cc
diff --git a/content/renderer/media/image_capture_frame_grabber.cc b/content/renderer/media/image_capture_frame_grabber.cc
index 165d3e1b9a2187fe3574051d20d5eb73a56710bd..f6c829d4c2646621876478572ba4e977eed443c1 100644
--- a/content/renderer/media/image_capture_frame_grabber.cc
+++ b/content/renderer/media/image_capture_frame_grabber.cc
@@ -4,6 +4,7 @@
 
 #include "content/renderer/media/image_capture_frame_grabber.h"
 
+#include "cc/paint/paint_canvas.h"
 #include "media/base/bind_to_current_loop.h"
 #include "media/base/video_frame.h"
 #include "media/base/video_util.h"
@@ -73,7 +74,7 @@ void ImageCaptureFrameGrabber::SingleShotFrameHandler::OnVideoFrameOnIOThread(
   DCHECK(surface);
 
   SkPixmap pixmap;
-  if (!skia::GetWritablePixels(surface->getCanvas(), &pixmap)) {
+  if (!cc::ToPixmap(surface->getCanvas(), &pixmap)) {
     DLOG(ERROR) << "Error trying to map SkSurface's pixels";
     callback.Run(sk_sp<SkImage>());
     return;