[Android] Show autofill popup after animation.

cc/test/fake_layer_tree_host_impl_client.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_TEST_FAKE_LAYER_TREE_HOST_IMPL_CLIENT_H_
 #define CC_TEST_FAKE_LAYER_TREE_HOST_IMPL_CLIENT_H_
 
 #include "cc/output/begin_frame_args.h"
 #include "cc/trees/layer_tree_host_impl.h"
 
@@ skipping 21 matching lines @@
   void PostAnimationEventsToMainThreadOnImplThread(
       scoped_ptr<AnimationEventsVector> events) override {}
   bool ReduceContentsTextureMemoryOnImplThread(size_t limit_bytes,
                                                int priority_cutoff) override;
   bool IsInsideDraw() override;
   void RenewTreePriority() override {}
   void PostDelayedScrollbarFadeOnImplThread(const base::Closure& start_fade,
                                             base::TimeDelta delay) override {}
   void DidActivateSyncTree() override {}
   void DidPrepareTiles() override {}
+  void DidCompletePageScaleAnimationOnImplThread() override {}
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_LAYER_TREE_HOST_IMPL_CLIENT_H_