Added FrameFuture class

android_webview/browser/child_frame.cc

Index: android_webview/browser/child_frame.cc
diff --git a/android_webview/browser/child_frame.cc b/android_webview/browser/child_frame.cc
index 560e20c4b0c18cb350e34f7aca33c29f24520547..6b6b69739e3eee886bf7863d6d25cf87e223aead 100644
--- a/android_webview/browser/child_frame.cc
+++ b/android_webview/browser/child_frame.cc
@@ -8,15 +8,15 @@
 
 namespace android_webview {
 
-ChildFrame::ChildFrame(uint32_t compositor_frame_sink_id,
-                       std::unique_ptr<cc::CompositorFrame> frame,
-                       const CompositorID& compositor_id,
-                       bool viewport_rect_for_tile_priority_empty,
-                       const gfx::Transform& transform_for_tile_priority,
-                       bool offscreen_pre_raster,
-                       bool is_layer)
-    : compositor_frame_sink_id(compositor_frame_sink_id),
-      frame(std::move(frame)),
+ChildFrame::ChildFrame(
+    const scoped_refptr<content::SynchronousCompositor::FrameFuture>&
+        frame_future,
+    const CompositorID& compositor_id,
+    bool viewport_rect_for_tile_priority_empty,
+    const gfx::Transform& transform_for_tile_priority,
+    bool offscreen_pre_raster,
+    bool is_layer)
+    : frame_future(frame_future),
       compositor_id(compositor_id),
       viewport_rect_for_tile_priority_empty(
           viewport_rect_for_tile_priority_empty),