Fix cursor missing in tabCapture on OSX Sierra

content/browser/media/capture/cursor_renderer_mac.h

Index: content/browser/media/capture/cursor_renderer_mac.h
diff --git a/content/browser/media/capture/cursor_renderer_mac.h b/content/browser/media/capture/cursor_renderer_mac.h
index dc0ab1a322d06c8b44da9b244b05e83b3d5d9027..a6dd250f426913fdf20dc191c5e6763296affee6 100644
--- a/content/browser/media/capture/cursor_renderer_mac.h
+++ b/content/browser/media/capture/cursor_renderer_mac.h
@@ -5,12 +5,7 @@
 #ifndef CONTENT_BROWSER_MEDIA_CAPTURE_CURSOR_RENDERER_MAC_H_
 #define CONTENT_BROWSER_MEDIA_CAPTURE_CURSOR_RENDERER_MAC_H_
 
-#include "base/mac/scoped_cftyperef.h"
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
 #include "content/browser/media/capture/cursor_renderer.h"
-#include "content/common/content_export.h"
-#include "media/base/video_frame.h"
 
 namespace content {
 
@@ -18,28 +13,21 @@ namespace content {
 // frame.
 class CONTENT_EXPORT CursorRendererMac : public CursorRenderer {
  public:
-  explicit CursorRendererMac(NSView* view);
+  explicit CursorRendererMac(gfx::NativeView view);
   ~CursorRendererMac() final;
 
   // CursorRender implementation.
-  void Clear() final;
-  bool SnapshotCursorState(const gfx::Rect& region_in_frame) final;
-  void RenderOnVideoFrame(
-      const scoped_refptr<media::VideoFrame>& target) const final;
-  base::WeakPtr<CursorRenderer> GetWeakPtr() final;
+  bool IsCapturedViewActive() final;
+  gfx::Size GetCapturedViewSize() final;
+  gfx::Point GetCursorPositionInView() final;
+  gfx::NativeCursor GetLastKnownCursor() final;
+  gfx::Point GetLastKnownCursorHotPoint() final;
+  SkBitmap GetLastKnownCursorImage() final;
 
  private:
   NSView* const view_;
-  base::ScopedCFTypeRef<CFDataRef> last_cursor_data_;
-  int last_cursor_width_;
-  int last_cursor_height_;
-  gfx::Point cursor_position_in_frame_;
+  gfx::Point last_known_cursor_location_;
 
-  base::TimeTicks last_mouse_movement_timestamp_;
-  float last_mouse_location_x_;
-  float last_mouse_location_y_;
-
-  base::WeakPtrFactory<CursorRendererMac> weak_factory_;
   DISALLOW_COPY_AND_ASSIGN(CursorRendererMac);
 };