Polish VK show/hide animation

This CL did:
1. add opacity animation for VK when show/hide
2. reduce animation time to 100 ms


BUG=327462

Review URL: https://codereview.chromium.org/114803004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241130 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 3 insertions, 1 deletions

diff --git a/chrome/browser/ui/ash/ash_keyboard_controller_proxy.cc b/chrome/browser/ui/ash/ash_keyboard_controller_proxy.cc
index 73c91d0..965772d 100644
--- a/chrome/browser/ui/ash/ash_keyboard_controller_proxy.cc
+++ b/chrome/browser/ui/ash/ash_keyboard_controller_proxy.cc
@@ -39,7 +39,7 @@ namespace {
 const char* kVirtualKeyboardExtensionID = "mppnpdlheglhdfmldimlhpnegondlapf";
 
 // The virtual keyboard show/hide animation duration.
-const int kAnimationDurationMs = 1000;
+const int kAnimationDurationMs = 100;
 
 Context::Type TextInputTypeToGeneratedInputTypeEnum(ui::TextInputType type) {
   switch (type) {
@@ -173,6 +173,7 @@ void AshKeyboardControllerProxy::ShowKeyboardContainer(
     settings.SetTransitionDuration(
         base::TimeDelta::FromMilliseconds(kAnimationDurationMs));
     container->SetTransform(gfx::Transform());
+    container->layer()->SetOpacity(1.0);
   }
 
   // TODO(bshe): Add animation observer and do the workspace resizing after
@@ -200,6 +201,7 @@ void AshKeyboardControllerProxy::HideKeyboardContainer(
   gfx::Transform transform;
   transform.Translate(0, GetKeyboardWindow()->bounds().height());
   container->SetTransform(transform);
+  container->layer()->SetOpacity(0.0);
   KeyboardControllerProxy::HideKeyboardContainer(container);
 }