[Android] Enable composited selection updates

content/browser/renderer_host/input/touch_selection_controller.cc

Index: content/browser/renderer_host/input/touch_selection_controller.cc
diff --git a/content/browser/renderer_host/input/touch_selection_controller.cc b/content/browser/renderer_host/input/touch_selection_controller.cc
index e904e283ee0716401cea8556353b8eba048032d1..fc1b00477f6f2d9ce0f8832b0e70b4d5a9ac94ab 100644
--- a/content/browser/renderer_host/input/touch_selection_controller.cc
+++ b/content/browser/renderer_host/input/touch_selection_controller.cc
@@ -43,8 +43,7 @@ TouchSelectionController::TouchSelectionController(
       is_selection_active_(false),
       activate_selection_automatically_(false),
       selection_empty_(false),
-      selection_editable_(false),
-      temporarily_hidden_(false) {
+      selection_editable_(false) {
   DCHECK(client_);
   HideAndDisallowShowingAutomatically();
 }
@@ -160,20 +159,6 @@ void TouchSelectionController::HideAndDisallowShowingAutomatically() {
   activate_selection_automatically_ = false;
 }
 
-void TouchSelectionController::SetTemporarilyHidden(bool hidden) {
-  if (temporarily_hidden_ == hidden)
-    return;
-  temporarily_hidden_ = hidden;
-
-  TouchHandle::AnimationStyle animation_style = GetAnimationStyle(true);
-  if (is_selection_active_) {
-    start_selection_handle_->SetVisible(GetStartVisible(), animation_style);
-    end_selection_handle_->SetVisible(GetEndVisible(), animation_style);
-  }
-  if (is_insertion_active_)
-    insertion_handle_->SetVisible(GetStartVisible(), animation_style);
-}
-
 void TouchSelectionController::OnSelectionEditable(bool editable) {
   if (selection_editable_ == editable)
     return;
@@ -292,8 +277,7 @@ void TouchSelectionController::OnInsertionChanged() {
   else
     client_->OnSelectionEvent(INSERTION_MOVED, position);
 
-  insertion_handle_->SetVisible(GetStartVisible(),
-                                GetAnimationStyle(was_active));
+  insertion_handle_->SetVisible(start_.visible, GetAnimationStyle(was_active));
   insertion_handle_->SetPosition(position);
 }
 
@@ -307,8 +291,8 @@ void TouchSelectionController::OnSelectionChanged() {
   ActivateSelection();
 
   const TouchHandle::AnimationStyle animation = GetAnimationStyle(was_active);
-  start_selection_handle_->SetVisible(GetStartVisible(), animation);
-  end_selection_handle_->SetVisible(GetEndVisible(), animation);
+  start_selection_handle_->SetVisible(start_.visible, animation);
+  end_selection_handle_->SetVisible(end_.visible, animation);
 
   start_selection_handle_->SetPosition(GetStartPosition());
   end_selection_handle_->SetPosition(GetEndPosition());
@@ -399,14 +383,6 @@ gfx::Vector2dF TouchSelectionController::GetEndLineOffset() const {
   return gfx::ScaleVector2d(end_.edge_top - end_.edge_bottom, 0.5f);
 }
 
-bool TouchSelectionController::GetStartVisible() const {
-  return start_.visible && !temporarily_hidden_;
-}
-
-bool TouchSelectionController::GetEndVisible() const {
-  return end_.visible && !temporarily_hidden_;
-}
-
 TouchHandle::AnimationStyle TouchSelectionController::GetAnimationStyle(
     bool was_active) const {
   return was_active && client_->SupportsAnimation()