IME (input method editor) support for Aura, part 3 of 3: Use ui::InputMethod in ash.

ui/aura/aura.gyp

Index: ui/aura/aura.gyp
diff --git a/ui/aura/aura.gyp b/ui/aura/aura.gyp
index fe414958cf43734060b540568e5a7cae771b77cc..5268f464a03e81e8c8850685e245f4245e220f46 100644
--- a/ui/aura/aura.gyp
+++ b/ui/aura/aura.gyp
@@ -52,6 +52,13 @@
         'window_observer.h',
         'window_types.h',
       ],
+      'conditions': [
+        ['use_ibus==1', {
+          'dependencies': [
+            '../../build/linux/system.gyp:ibus',
+          ],
+        }],
+      ],
     },
     {
       'target_name': 'test_support_aura',
@@ -130,6 +137,7 @@
         'test/run_all_unittests.cc',
         'test/test_suite.cc',
         'test/test_suite.h',
+        'desktop_host_ime_unittest.cc',
         'desktop_unittest.cc',
         'event_filter_unittest.cc',
         'window_unittest.cc',