Revert of Moves code from chromeos/ime to ui/base/ime/chromeos.

ui/base/BUILD.gn

Index: ui/base/BUILD.gn
diff --git a/ui/base/BUILD.gn b/ui/base/BUILD.gn
index d8acabc7809f13ee774ca804fc01f431b47241c0..0143c06f091608c28d6c30525767cbd1dc641e21 100644
--- a/ui/base/BUILD.gn
+++ b/ui/base/BUILD.gn
@@ -276,7 +276,7 @@
     sources += [ "touch/touch_device_android.cc" ]
   } else if (use_ozone) {
     sources += [ "touch/touch_device_ozone.cc" ]
-  } else if (use_aura && use_x11) {
+  } else if (use_aura && use_x11) { 
     sources += [ "touch/touch_device_aurax11.cc" ]
   } else {
     # Empty implementation for all other cases.
@@ -316,31 +316,10 @@
       "ime/candidate_window.h",
       "ime/chromeos/character_composer.cc",
       "ime/chromeos/character_composer.h",
-      "ime/chromeos/component_extension_ime_manager.cc",
-      "ime/chromeos/component_extension_ime_manager.h",
-      "ime/chromeos/composition_text.cc",
-      "ime/chromeos/composition_text.h",
-      "ime/chromeos/extension_ime_util.cc",
-      "ime/chromeos/extension_ime_util.h",
-      "ime/chromeos/fake_ime_keyboard.cc",
-      "ime/chromeos/fake_ime_keyboard.h",
       "ime/chromeos/ime_bridge.cc",
       "ime/chromeos/ime_bridge.h",
-      "ime/chromeos/ime_keyboard.cc",
-      "ime/chromeos/ime_keyboard.h",
-      "ime/chromeos/ime_keyboard_ozone.cc",
-      "ime/chromeos/ime_keyboard_ozone.h",
-      "ime/chromeos/ime_keyboard_x11.cc",
-      "ime/chromeos/ime_keyboard_x11.h",
       "ime/chromeos/ime_keymap.cc",
       "ime/chromeos/ime_keymap.h",
-      "ime/chromeos/input_method_delegate.h",
-      "ime/chromeos/input_method_descriptor.cc",
-      "ime/chromeos/input_method_descriptor.h",
-      "ime/chromeos/input_method_manager.cc",
-      "ime/chromeos/input_method_manager.h",
-      "ime/chromeos/input_method_whitelist.cc",
-      "ime/chromeos/input_method_whitelist.h",
       "ime/chromeos/mock_ime_candidate_window_handler.cc",
       "ime/chromeos/mock_ime_candidate_window_handler.h",
       "ime/chromeos/mock_ime_engine_handler.cc",