Hide compositor when DesktopWindowTreeHostWin::Hide is called.

This avoids trying to draw hidden windows and improves performance of resize because status bubble isn't continually redrawn.

Review URL: https://codereview.chromium.org/1157433008

Cr-Commit-Position: refs/heads/master@{#332768}

2 files changed, 4 insertions, 4 deletions

diff --git a/ash/host/ash_window_tree_host_unified.cc b/ash/host/ash_window_tree_host_unified.cc
index b36223f..2e9db76 100644
--- a/ash/host/ash_window_tree_host_unified.cc
+++ b/ash/host/ash_window_tree_host_unified.cc
@@ -110,10 +110,10 @@ gfx::AcceleratedWidget AshWindowTreeHostUnified::GetAcceleratedWidget() {
   return gfx::kNullAcceleratedWidget;
 }
 
-void AshWindowTreeHostUnified::Show() {
+void AshWindowTreeHostUnified::ShowImpl() {
 }
 
-void AshWindowTreeHostUnified::Hide() {
+void AshWindowTreeHostUnified::HideImpl() {
 }
 
 gfx::Rect AshWindowTreeHostUnified::GetBounds() const {
diff --git a/ash/host/ash_window_tree_host_unified.h b/ash/host/ash_window_tree_host_unified.h
index aa9ab4c..843ff03 100644
--- a/ash/host/ash_window_tree_host_unified.h
+++ b/ash/host/ash_window_tree_host_unified.h
@@ -47,8 +47,8 @@ class AshWindowTreeHostUnified : public AshWindowTreeHost,
   // aura::WindowTreeHost:
   ui::EventSource* GetEventSource() override;
   gfx::AcceleratedWidget GetAcceleratedWidget() override;
-  void Show() override;
-  void Hide() override;
+  void ShowImpl() override;
+  void HideImpl() override;
   gfx::Rect GetBounds() const override;
   void SetBounds(const gfx::Rect& bounds) override;
   gfx::Transform GetRootTransform() const override;