Refactoring the ownership of ui::InputMethod.

ui/wm/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("//build/config/ui.gni")
 import("//testing/test.gni")
 
 component("wm") {
   sources = [
     "core/accelerator_delegate.h",
@@ skipping 13 matching lines @@
     "core/default_activation_client.h",
     "core/default_screen_position_client.cc",
     "core/default_screen_position_client.h",
     "core/easy_resize_window_targeter.cc",
     "core/easy_resize_window_targeter.h",
     "core/focus_controller.cc",
     "core/focus_controller.h",
     "core/focus_rules.h",
     "core/image_grid.cc",
     "core/image_grid.h",
-    "core/input_method_event_filter.cc",
-    "core/input_method_event_filter.h",
     "core/masked_window_targeter.cc",
     "core/masked_window_targeter.h",
     "core/native_cursor_manager.h",
     "core/native_cursor_manager_delegate.h",
     "core/nested_accelerator_controller.cc",
     "core/nested_accelerator_controller.h",
     "core/nested_accelerator_delegate.h",
     "core/nested_accelerator_dispatcher.cc",
     "core/nested_accelerator_dispatcher.h",
     "core/nested_accelerator_dispatcher_linux.cc",
@@ skipping 69 matching lines @@
   ]
 }
 
 test("wm_unittests") {
   sources = [
     "core/capture_controller_unittest.cc",
     "core/compound_event_filter_unittest.cc",
     "core/cursor_manager_unittest.cc",
     "core/focus_controller_unittest.cc",
     "core/image_grid_unittest.cc",
-    "core/input_method_event_filter_unittest.cc",
     "core/nested_accelerator_controller_unittest.cc",
     "core/shadow_controller_unittest.cc",
     "core/transient_window_manager_unittest.cc",
     "core/transient_window_stacking_client_unittest.cc",
     "core/visibility_controller_unittest.cc",
     "core/window_animations_unittest.cc",
     "test/run_all_unittests.cc",
   ]
 
   deps = [
     ":test_support",
     ":wm",
     "//base",
     "//base/test:test_support",
     "//skia",
     "//testing/gtest",
     "//ui/aura:test_support",
     "//ui/base:test_support",
     "//ui/base/ime",
     "//ui/compositor:test_support",
     "//ui/events:test_support",
     "//ui/events/platform",
     "//ui/gfx",
     "//ui/gfx/geometry",
     "//ui/gl",
   ]
 }