Added FrameFuture class

android_webview/browser/compositor_frame_consumer.h

Index: android_webview/browser/compositor_frame_consumer.h
diff --git a/android_webview/browser/compositor_frame_consumer.h b/android_webview/browser/compositor_frame_consumer.h
index 627aa73bce2eabcfd243d7979a249d69fb313f98..ce8d0970b5f309f15a6127d84ed4137b3f069d65 100644
--- a/android_webview/browser/compositor_frame_consumer.h
+++ b/android_webview/browser/compositor_frame_consumer.h
@@ -10,6 +10,7 @@
 #include "android_webview/browser/compositor_id.h"
 #include "android_webview/browser/parent_compositor_draw_constraints.h"
 #include "cc/resources/returned_resource.h"
+#include "content/public/browser/android/synchronous_compositor.h"
 #include "ui/gfx/geometry/vector2d.h"
 
 namespace android_webview {
@@ -40,6 +41,9 @@ class CompositorFrameConsumer {
       CompositorFrameProducer* compositor_frame_producer) = 0;
   virtual void SetScrollOffsetOnUI(gfx::Vector2d scroll_offset) = 0;
   virtual void SetFrameOnUI(std::unique_ptr<ChildFrame> frame) = 0;
+  virtual void SetFrameFutureOnUI(
+      const scoped_refptr<content::SynchronousCompositor::FrameFuture>&
+          frame_future);
   virtual void InitializeHardwareDrawIfNeededOnUI() = 0;
   virtual ParentCompositorDrawConstraints GetParentDrawConstraintsOnUI()
       const = 0;