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 07dbec017a16a10c223862a92b1873d15b4fb352..cdb4cb0e796e427345f040c8c6b5bb0e8a5e4584 100644
--- a/ui/base/BUILD.gn
+++ b/ui/base/BUILD.gn
@@ -274,7 +274,7 @@ component("base") {
     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.
@@ -324,6 +324,27 @@ component("base") {
       "ime/chromeos/mock_ime_engine_handler.h",
       "ime/chromeos/mock_ime_input_context_handler.cc",
       "ime/chromeos/mock_ime_input_context_handler.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_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/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/composition_text.cc",
       "ime/composition_text.h",
       "ime/composition_text_util_pango.cc",
@@ -896,7 +917,7 @@ test("ui_unittests") {
 
   if (is_chromeos) {
     sources += [
-      # TODO(pkotwicz): Move tests to their own target (crbug.com/432538) 
+      # TODO(pkotwicz): Move tests to their own target (crbug.com/432538)
       "../chromeos/ime/candidate_view_unittest.cc",
       "../chromeos/ime/candidate_window_view_unittest.cc",
       "../chromeos/ime/input_method_menu_item_unittest.cc",