[Android] Show autofill popup after animation.

cc/trees/thread_proxy.h

Index: cc/trees/thread_proxy.h
diff --git a/cc/trees/thread_proxy.h b/cc/trees/thread_proxy.h
index 6ca21d575ee4837da4e8000f1efd792d2e51f0e5..eee7392588b952f67a038eda2e6b492b6149675b 100644
--- a/cc/trees/thread_proxy.h
+++ b/cc/trees/thread_proxy.h
@@ -208,6 +208,7 @@ class CC_EXPORT ThreadProxy : public Proxy,
                                             base::TimeDelta delay) override;
   void DidActivateSyncTree() override;
   void DidPrepareTiles() override;
+  void DidCompletePageScaleAnimationOnImplThread() override;
 
   // SchedulerClient implementation
   void WillBeginImplFrame(const BeginFrameArgs& args) override;
@@ -250,6 +251,7 @@ class CC_EXPORT ThreadProxy : public Proxy,
   void DidInitializeOutputSurface(bool success,
                                   const RendererCapabilities& capabilities);
   void SendCommitRequestToImplThreadIfNeeded();
+  void DidCompletePageScaleAnimation();
 
   // Called on impl thread.
   struct SchedulerStateRequest;