ozone: Remove InputMethodContextFactoryOzone and FakeInputMethodContextOzone.

ui/ozone/BUILD.gn

 # Copyright 2014 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.
 
 import("//ui/ozone/ozone.gni")
 
 declare_args() {
   # The default platform for Ozone.
   ozone_platform = "test"
 }
 
 platform_list_file = "$target_gen_dir/ozone_platform_list.cc"
 
 component("ozone") {
   sources = [
     platform_list_file,
     # common/chromeos files are excluded automatically when building with
     # chromeos=0, by exclusion rules in filename_rules.gypi due to the
     # "chromeos" folder name.
     "common/chromeos/native_display_delegate_ozone.cc",
     "common/chromeos/native_display_delegate_ozone.h",
-    "ime/fake_input_method_context_ozone.cc",
-    "ime/fake_input_method_context_ozone.h",
-    "ime/input_method_context_factory_ozone.cc",
-    "ime/input_method_context_factory_ozone.h",
     "ozone_platform.cc",
     "ozone_platform.h",
     "ozone_switches.cc",
     "ozone_switches.h",
   ]
 
   defines = [ "OZONE_IMPLEMENTATION" ]
 
   deps = [
     ":generate_ozone_platform_list",
@@ skipping 15 matching lines @@
 action("generate_ozone_platform_list") {
   script = "generate_ozone_platform_list.py"
   outputs = [ platform_list_file ]
 
   args = [
     "--output_file=" + rebase_path(platform_list_file, root_build_dir),
     "--default=$ozone_platform",
     ozone_platforms,
   ]
 }