Support InputMethodManager#updateCursorAnchorInfo for Android 5.0 (C++ version)

ui/base/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")
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
@@ skipping 299 matching lines @@
     "//net",
     "//third_party/icu",
     "//ui/events",
     "//ui/events/devices",
     "//ui/resources",
     "//ui/strings",
     "//url",
   ]
 
   if (build_ime) {
+    if (is_android) {
+      deps += [ "//cc" ]
+    }
+
     sources += [
+      "ime/android/cursor_anchor_info_builder.cc",
+      "ime/android/cursor_anchor_info_builder.h",
+      "ime/android/cursor_anchor_info_controller.cc",
+      "ime/android/cursor_anchor_info_controller.h",
+      "ime/android/cursor_anchor_info_sender.h",
       "ime/candidate_window.cc",
       "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",
@@ skipping 399 matching lines @@
     sources -= [ "test/ui_controls_aura.cc" ]
   } else if (is_win) {
     sources -= [ "test/ui_controls_win.cc" ]
   }
 }
 
 if (is_android) {
   generate_jni("ui_base_jni_headers") {
     sources = [
       "../android/java/src/org/chromium/ui/base/Clipboard.java",
+      "../android/java/src/org/chromium/ui/base/CursorAnchorInfoBuilder.java",
       "../android/java/src/org/chromium/ui/base/DeviceFormFactor.java",
       "../android/java/src/org/chromium/ui/base/LocalizationUtils.java",
       "../android/java/src/org/chromium/ui/base/ResourceBundle.java",
       "../android/java/src/org/chromium/ui/base/SelectFileDialog.java",
       "../android/java/src/org/chromium/ui/base/TouchDevice.java",
       "../android/java/src/org/chromium/ui/base/ViewAndroid.java",
       "../android/java/src/org/chromium/ui/base/WindowAndroid.java",
     ]
     jni_package = "base"
   }
@@ skipping 49 matching lines @@
       "test/data/resource.h",
       "text/bytes_formatting_unittest.cc",
       "touch/selection_bound_unittest.cc",
       "view_prop_unittest.cc",
       "webui/web_ui_util_unittest.cc",
     ]
   }
 
   if (build_ime) {
     sources += [
+      "ime/android/cursor_anchor_info_controller_unittest.cc",
       "ime/candidate_window_unittest.cc",
       "ime/chromeos/character_composer_unittest.cc",
       "ime/input_method_base_unittest.cc",
       "ime/input_method_chromeos_unittest.cc",
       "ime/remote_input_method_win_unittest.cc",
       "ime/win/imm32_manager_unittest.cc",
       "ime/win/tsf_input_scope_unittest.cc",
     ]
     if (use_x11) {
       sources += [ "ime/composition_text_util_pango_unittest.cc" ]
@@ skipping 101 matching lines @@
       "dragdrop/os_exchange_data_provider_aurax11_unittest.cc",
       "x/selection_requestor_unittest.cc",
     ]
   }
 
   if (is_chromeos) {
     deps += [ "//chromeos" ]
   }
 }
 # TODO(GYP) Mac (ui_base_tests_bundle)