Show floating VK on first tap

ui/keyboard/keyboard_controller_unittest.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 "base/bind.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 594 matching lines @@
   controller()->HideKeyboard(KeyboardController::HIDE_REASON_AUTOMATIC);
   // Before hide animation finishes, show keyboard again.
   ShowKeyboard();
   RunAnimationForLayer(layer);
   EXPECT_TRUE(keyboard_container()->IsVisible());
   EXPECT_TRUE(keyboard_window()->IsVisible());
   EXPECT_EQ(1.0, layer->opacity());
   EXPECT_EQ(gfx::Transform(), layer->transform());
 }
 
+// Test for crbug.com/568274.
+TEST_F(KeyboardControllerTest, FloatingKeyboardShowOnFirstTap) {
+  aura::Window* container(controller()->GetContainerWindow());
+  aura::Window* keyboard(ui()->GetKeyboardWindow());
+  root_window()->AddChild(container);
+  controller()->SetKeyboardMode(FLOATING);
+  container->AddChild(keyboard);
+  // Mock focus on an input field.
+  ui()->GetInputMethod()->ShowImeIfNeeded();
+  // Mock set keyboard size from javascript side. In floating mode, virtual
+  // keyboard's size is decided by client.
+  gfx::Rect new_bounds(0, 50, 50, 50);
+  keyboard->SetBounds(new_bounds);
+  ASSERT_EQ(new_bounds, container->bounds());
+  EXPECT_TRUE(keyboard->IsVisible());
+  EXPECT_TRUE(container->IsVisible());
+}
+
 }  // namespace keyboard