cast: support cursor rendering for tab capture

content/browser/compositor/delegated_frame_host.h

Index: content/browser/compositor/delegated_frame_host.h
diff --git a/content/browser/compositor/delegated_frame_host.h b/content/browser/compositor/delegated_frame_host.h
index c9662cbc14482620fcf6af8aaed0ae19d9ca8fd8..e20b73e23d502a7ad1ec54a4300dadc5b7de86b3 100644
--- a/content/browser/compositor/delegated_frame_host.h
+++ b/content/browser/compositor/delegated_frame_host.h
@@ -5,6 +5,8 @@
 #ifndef CONTENT_BROWSER_COMPOSITOR_DELEGATED_FRAME_HOST_H_
 #define CONTENT_BROWSER_COMPOSITOR_DELEGATED_FRAME_HOST_H_
 
+#include <vector>
+
 #include "base/gtest_prod_util.h"
 #include "cc/layers/delegated_frame_provider.h"
 #include "cc/layers/delegated_frame_resource_collection.h"
@@ -22,6 +24,7 @@
 #include "ui/compositor/compositor_vsync_manager.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/layer_owner_delegate.h"
+#include "ui/events/event.h"
 #include "ui/gfx/geometry/rect_conversions.h"
 
 namespace base {
@@ -51,6 +54,7 @@ class ResizeLock;
 class CONTENT_EXPORT DelegatedFrameHostClient {
  public:
   virtual ui::Layer* DelegatedFrameHostGetLayer() const = 0;
+  virtual gfx::NativeView DelegatedFrameHostGetNativeView() const = 0;
   virtual bool DelegatedFrameHostIsVisible() const = 0;
   virtual gfx::Size DelegatedFrameHostDesiredSizeInDIP() const = 0;
 
@@ -148,7 +152,7 @@ class CONTENT_EXPORT DelegatedFrameHost
   void CopyFromCompositingSurfaceToVideoFrame(
       const gfx::Rect& src_subrect,
       const scoped_refptr<media::VideoFrame>& target,
-      const base::Callback<void(bool)>& callback);
+      const base::Callback<void(gfx::Rect, bool)>& callback);
   bool CanCopyToVideoFrame() const;
   void BeginFrameSubscription(
       scoped_ptr<RenderWidgetHostViewFrameSubscriber> subscriber);
@@ -228,7 +232,7 @@ class CONTENT_EXPORT DelegatedFrameHost
       base::WeakPtr<DelegatedFrameHost> rwhva,
       scoped_refptr<OwnedMailbox> subscriber_texture,
       scoped_refptr<media::VideoFrame> video_frame,
-      const base::Callback<void(bool)>& callback,
+      const base::Callback<void(gfx::Rect, bool)>& callback,
       scoped_ptr<cc::CopyOutputResult> result);
   static void CopyFromCompositingSurfaceFinishedForVideo(
       base::WeakPtr<DelegatedFrameHost> rwhva,