Remove unused flag 'kDisableSmartVirtualKeyboard' and associated code.

ash/virtual_keyboard_controller_unittest.cc

Index: ash/virtual_keyboard_controller_unittest.cc
diff --git a/ash/virtual_keyboard_controller_unittest.cc b/ash/virtual_keyboard_controller_unittest.cc
index 7fb157e4453d824ee8f201b4626f95894f18388a..3956022a80b3fee3bf40763059ba45a10328fa4d 100644
--- a/ash/virtual_keyboard_controller_unittest.cc
+++ b/ash/virtual_keyboard_controller_unittest.cc
@@ -51,8 +51,6 @@ class VirtualKeyboardControllerTest : public AshTestBase {
   }
 
   void SetUp() override {
-    base::CommandLine::ForCurrentProcess()->AppendSwitch(
-        keyboard::switches::kDisableSmartVirtualKeyboard);
     AshTestBase::SetUp();
     UpdateKeyboardDevices(std::vector<ui::InputDevice>());
     UpdateTouchscreenDevices(std::vector<ui::TouchscreenDevice>());
@@ -62,18 +60,6 @@ class VirtualKeyboardControllerTest : public AshTestBase {
   DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardControllerTest);
 };
 
-TEST_F(VirtualKeyboardControllerTest, EnabledDuringMaximizeMode) {
-  ASSERT_FALSE(keyboard::IsKeyboardEnabled());
-  // Toggle maximized mode on.
-  Shell::Get()->maximize_mode_controller()->EnableMaximizeModeWindowManager(
-      true);
-  EXPECT_TRUE(keyboard::IsKeyboardEnabled());
-  // Toggle maximized mode off.
-  Shell::Get()->maximize_mode_controller()->EnableMaximizeModeWindowManager(
-      false);
-  EXPECT_FALSE(keyboard::IsKeyboardEnabled());
-}
-
 // Mock event blocker that enables the internal keyboard when it's destructor
 // is called.
 class MockEventBlocker : public ScopedDisableInternalMouseAndKeyboard {