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

ash/ash.gyp

Index: ash/ash.gyp
diff --git a/ash/ash.gyp b/ash/ash.gyp
index 993996db778ae55011934d9742910c330af540d0..eaea11341d64944938aa9a14d3b52c479f317e0d 100644
--- a/ash/ash.gyp
+++ b/ash/ash.gyp
@@ -66,6 +66,10 @@
         'drag_drop/drag_drop_controller.h',
         'drag_drop/drag_image_view.cc',
         'drag_drop/drag_image_view.h',
+        'ime/event.cc',
+        'ime/event.h',
+        'ime/input_method_event_filter.cc',
+        'ime/input_method_event_filter.h',
         'launcher/app_launcher_button.cc',
         'launcher/app_launcher_button.h',
         'launcher/launcher.cc',
@@ -176,6 +180,7 @@
       'sources': [
         'accelerators/accelerator_controller_unittest.cc',
         'drag_drop/drag_drop_controller_unittest.cc',
+        'ime/input_method_event_filter_unittest.cc',
         'launcher/launcher_model_unittest.cc',
         'launcher/launcher_unittest.cc',
         'launcher/view_model_unittest.cc',
@@ -217,6 +222,11 @@
             '../ui/gfx/compositor/compositor.gyp:test_compositor',
           ],
         }],
+        ['use_ibus==1', {
+          'dependencies': [
+            '../build/linux/system.gyp:ibus',
+          ],
+        }],
       ],
     },
     {