Let ImeAdapterAndroid have the same lifecycle as its Java peer

content/browser/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/features.gni")
 import("//build/config/ui.gni")
 import("//gpu/vulkan/features.gni")
 import("//media/media_options.gni")
 import("//ppapi/features/features.gni")
 import("//printing/features/features.gni")
@@ skipping 1756 matching lines @@
       "android/content_view_core_impl.cc",
       "android/content_view_core_impl.h",
       "android/content_view_core_impl_observer.h",
       "android/content_view_render_view.cc",
       "android/content_view_render_view.h",
       "android/content_view_statics.cc",
       "android/content_view_statics.h",
       "android/date_time_chooser_android.cc",
       "android/date_time_chooser_android.h",
       "android/gesture_event_type.h",
+      "android/ime_adapter_android.cc",
+      "android/ime_adapter_android.h",
       "android/interstitial_page_delegate_android.cc",
       "android/interstitial_page_delegate_android.h",
       "android/java/gin_java_bound_object.cc",
       "android/java/gin_java_bound_object.h",
       "android/java/gin_java_bound_object_delegate.cc",
       "android/java/gin_java_bound_object_delegate.h",
       "android/java/gin_java_bridge_dispatcher_host.cc",
       "android/java/gin_java_bridge_dispatcher_host.h",
       "android/java/gin_java_bridge_message_filter.cc",
       "android/java/gin_java_bridge_message_filter.h",
@@ skipping 22 matching lines @@
       "android/tracing_controller_android.cc",
       "android/tracing_controller_android.h",
       "android/web_contents_observer_proxy.cc",
       "android/web_contents_observer_proxy.h",
       "frame_host/render_frame_host_android.cc",
       "frame_host/render_frame_host_android.h",
       "media/capture/screen_capture_device_android.cc",
       "media/capture/screen_capture_device_android.h",
       "renderer_host/compositor_impl_android.cc",
       "renderer_host/compositor_impl_android.h",
-      "renderer_host/ime_adapter_android.cc",
-      "renderer_host/ime_adapter_android.h",
       "renderer_host/input/synthetic_gesture_target_android.cc",
       "renderer_host/input/synthetic_gesture_target_android.h",
       "renderer_host/native_web_keyboard_event_android.cc",
       "renderer_host/render_widget_host_view_android.cc",
       "renderer_host/render_widget_host_view_android.h",
       "screen_orientation/screen_orientation_delegate_android.cc",
       "screen_orientation/screen_orientation_delegate_android.h",
       "web_contents/web_contents_android.cc",
       "web_contents/web_contents_android.h",
       "web_contents/web_contents_view_android.cc",
@@ skipping 217 matching lines @@
   if (!is_component_build) {
     public_deps = [
       ":browser",
     ]
   } else {
     public_deps = [
       "//third_party/leveldatabase",
     ]
   }
 }