Remove native VK window height logic and wait for resizeTo to setup VK window height

ui/keyboard/keyboard_layout_manager.cc

 // Copyright 2014 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.
 
 #include "ui/keyboard/keyboard_layout_manager.h"
 
+#include "ui/compositor/layer_animator.h"
 #include "ui/keyboard/keyboard_controller.h"
 #include "ui/keyboard/keyboard_controller_proxy.h"
 #include "ui/keyboard/keyboard_util.h"
 
 namespace keyboard {
 
 // Overridden from aura::LayoutManager
 void KeyboardLayoutManager::OnWindowResized() {
-  if (keyboard_ && !controller_->proxy()->resizing_from_contents())
-    ResizeKeyboardToDefault(keyboard_);
+  if (keyboard_) {
+    gfx::Rect window_bounds = controller_->GetContainerWindow()->bounds();
+    // Keep the same height when window resize. It usually get called when
+    // screen rotate.
+    int height = keyboard_->bounds().height();
+    keyboard_->SetBounds(gfx::Rect(
+        window_bounds.x(),
+        window_bounds.bottom() - height,
+        window_bounds.width(),
+        height));
+  }
 }
 
 void KeyboardLayoutManager::OnWindowAddedToLayout(aura::Window* child) {
   DCHECK(!keyboard_);
   keyboard_ = child;
-  ResizeKeyboardToDefault(keyboard_);
+  keyboard_->SetBounds(DefaultKeyboardBoundsFromWindowBounds(
+      controller_->GetContainerWindow()->bounds()));
 }
 
 void KeyboardLayoutManager::SetChildBounds(aura::Window* child,
                                            const gfx::Rect& requested_bounds) {
   // SetChildBounds can be invoked by resizing from the container or by
   // resizing from the contents (through window.resizeTo call in JS).
   // The flag resizing_from_contents() is used to determine the source of the
   // resize.
-  if (controller_->proxy()->resizing_from_contents()) {
+  DCHECK(child == keyboard_);
+
+  ui::LayerAnimator* animator =
+      controller_->GetContainerWindow()->layer()->GetAnimator();
+  // Stops previous animation if a window resize is requested during animation.
+  if (animator->is_animating())
+    animator->StopAnimating();
+
+  gfx::Rect old_bounds = child->bounds();
+  SetChildBoundsDirect(child, requested_bounds);
+  if (old_bounds.height() == 0 && child->bounds().height() != 0) {
+    // The window height is set to 0 initially. If the height of |old_bounds| is
+    // 0 and the new bounds is not 0, it probably means window.resizeTo is
+    // called to set the window height. We should try to show keyboard again in
+    // case the show keyboard request is called before the height is set.
+    controller_->ShowKeyboard(false);
+  } else {
     controller_->NotifyKeyboardBoundsChanging(requested_bounds);
-    SetChildBoundsDirect(child, requested_bounds);
   }
 }
 
-void KeyboardLayoutManager::ResizeKeyboardToDefault(aura::Window* child) {
-  gfx::Rect keyboard_bounds = DefaultKeyboardBoundsFromWindowBounds(
-      controller_->GetContainerWindow()->bounds());
-  SetChildBoundsDirect(child, keyboard_bounds);
-}
-
 }  // namespace keyboard