[Android] Show autofill popup after animation.

ui/keyboard/keyboard_controller.cc

 // Copyright (c) 2013 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_controller.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 227 matching lines @@
 KeyboardController::KeyboardController(KeyboardControllerProxy* proxy)
     : proxy_(proxy),
       input_method_(NULL),
       keyboard_visible_(false),
       show_on_resize_(false),
       lock_keyboard_(false),
       type_(ui::TEXT_INPUT_TYPE_NONE),
       weak_factory_(this) {
   CHECK(proxy);
   input_method_ = proxy_->GetInputMethod();
+  input_method_->SetSupportsOnScreenKeyboard(true);
   input_method_->AddObserver(this);
   window_bounds_observer_.reset(new WindowBoundsChangeObserver());
 }
 
 KeyboardController::~KeyboardController() {
   if (container_)
     container_->RemoveObserver(this);
   if (input_method_)
     input_method_->RemoveObserver(this);
   ResetWindowInsets();
@@ skipping 213 matching lines @@
     keyboard::MarkKeyboardLoadStarted();
     aura::Window* keyboard = proxy_->GetKeyboardWindow();
     keyboard->Show();
     container_->AddChild(keyboard);
     keyboard->set_owned_by_parent(false);
   }
 
   proxy_->ReloadKeyboardIfNeeded();
 
   if (keyboard_visible_) {
+    proxy_->GetInputMethod()->GetTextInputClient()->OnKeyboardBoundsUnchanged();

[Yuki, 2014/12/24 06:08:24]

Why the text input client want to be notified this event?
Which class implements OnKeyboardBoundsUnchanged?

Could you show your design plan at CL description?
I need more clues to figure out your design.

     return;
   } else if (proxy_->GetKeyboardWindow()->bounds().height() == 0) {
     show_on_resize_ = true;
     return;
   }
 
   keyboard_visible_ = true;
 
   // If the controller is in the process of hiding the keyboard, do not log
   // the stat here since the keyboard will not actually be shown.
@@ skipping 73 matching lines @@
   proxy_->HideKeyboardContainer(container_.get());
 }
 
 void KeyboardController::AddBoundsChangedObserver(aura::Window* window) {
   aura::Window* target_window = window ? window->GetToplevelWindow() : nullptr;
   if (target_window)
     window_bounds_observer_->AddObservedWindow(target_window);
 }
 
 }  // namespace keyboard