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

ui/base/ui_base.gyp

Index: ui/base/ui_base.gyp
diff --git a/ui/base/ui_base.gyp b/ui/base/ui_base.gyp
index 7891a1b4a87b357798b3b7bd1e5e1668f1affb95..5c26d4525d2b41b1b0ffb77caff05e91554e94e5 100644
--- a/ui/base/ui_base.gyp
+++ b/ui/base/ui_base.gyp
@@ -201,6 +201,11 @@
         'idle/idle_win.cc',
         'idle/screensaver_window_finder_x11.cc',
         'idle/screensaver_window_finder_x11.h',
+        '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',
@@ -668,6 +673,7 @@
             'ui_base_types.cc',
           ],
           'dependencies': [
+            '../../cc/cc.gyp:cc',
             'ui_base_jni_headers',
           ],
           'link_settings': {
@@ -814,6 +820,7 @@
            'sources': [
              # Note: file list duplicated in GN build.
              '../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',