[Android] Show autofill popup after animation.

cc/trees/layer_tree_host.cc

Index: cc/trees/layer_tree_host.cc
diff --git a/cc/trees/layer_tree_host.cc b/cc/trees/layer_tree_host.cc
index b6e64730ef2cebcc6662fa25ceee2c0d7edc300c..a24ac1722b62dc45abb7a5e15fcdde42396a78da 100644
--- a/cc/trees/layer_tree_host.cc
+++ b/cc/trees/layer_tree_host.cc
@@ -130,6 +130,7 @@ LayerTreeHost::LayerTreeHost(
       background_color_(SK_ColorWHITE),
       has_transparent_background_(false),
       partial_texture_update_requests_(0),
+      did_complete_scale_animation_(false),
       in_paint_layer_contents_(false),
       total_frames_used_for_lcd_text_metrics_(0),
       id_(s_layer_tree_host_sequence_number.GetNext() + 1),
@@ -403,6 +404,10 @@ void LayerTreeHost::UpdateHudLayer() {
 void LayerTreeHost::CommitComplete() {
   source_frame_number_++;
   client_->DidCommit();
+  if (did_complete_scale_animation_) {
+    client_->DidCompletePageScaleAnimation();
+    did_complete_scale_animation_ = false;
+  }
 }
 
 void LayerTreeHost::SetOutputSurface(scoped_ptr<OutputSurface> surface) {
@@ -788,6 +793,10 @@ bool LayerTreeHost::UpdateLayers(ResourceUpdateQueue* queue) {
   return result || next_commit_forces_redraw_;
 }
 
+void LayerTreeHost::DidCompletePageScaleAnimation() {
+  did_complete_scale_animation_ = true;
+}
+
 static Layer* FindFirstScrollableLayer(Layer* layer) {
   if (!layer)
     return NULL;