Remove implicit dependency between test cases.

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 <memory>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 549 matching lines @@
   root_window()->AddChild(keyboard_container);
   keyboard_container->Show();
 
   ShowKeyboard();
   EXPECT_TRUE(keyboard_container->IsVisible());
   EXPECT_FALSE(IsKeyboardClosed());
 
   root_window()->RemoveChild(keyboard_container);
   ResetController();
   EXPECT_TRUE(IsKeyboardClosed());
+  keyboard::SetAccessibilityKeyboardEnabled(false);
 }
 
 class KeyboardControllerAnimationTest : public KeyboardControllerTest {
  public:
   KeyboardControllerAnimationTest() {}
   ~KeyboardControllerAnimationTest() override {}
 
   void SetUp() override {
     // We cannot short-circuit animations for this test.
     ui::ScopedAnimationDurationScaleMode test_duration_mode(
@@ skipping 88 matching lines @@
   EXPECT_EQ(1.0, layer->opacity());
   EXPECT_EQ(gfx::Transform(), layer->transform());
   keyboard::SetAccessibilityKeyboardEnabled(false);
 }
 
 // Test for crbug.com/568274.
 TEST_F(KeyboardControllerTest, FloatingKeyboardShowOnFirstTap) {
   aura::Window* container(controller()->GetContainerWindow());
   aura::Window* keyboard(ui()->GetKeyboardWindow());
   root_window()->AddChild(container);
+
+  keyboard::SetTouchKeyboardEnabled(true);
   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());
@@ skipping 12 matching lines @@
   gfx::Rect new_bounds(0, 0, 1280, 800);
   ASSERT_NE(new_bounds, root_window()->bounds());
   EXPECT_EQ(1, number_of_calls());
   root_window()->SetBounds(new_bounds);
   EXPECT_EQ(2, number_of_calls());
   MockRotateScreen();
   EXPECT_EQ(3, number_of_calls());
 }
 
 }  // namespace keyboard