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

ui/aura_shell/aura_shell.gyp

Index: ui/aura_shell/aura_shell.gyp
diff --git a/ui/aura_shell/aura_shell.gyp b/ui/aura_shell/aura_shell.gyp
index 005d3a1b678a49df79dd67f29623edbae51b3702..7c3a95ea75458fbbaf3bb88bbc167c42024ec774 100644
--- a/ui/aura_shell/aura_shell.gyp
+++ b/ui/aura_shell/aura_shell.gyp
@@ -55,6 +55,8 @@
         'drag_image_view.h',
         'image_grid.cc',
         'image_grid.h',
+        'input_method_event_filter.cc',
+        'input_method_event_filter.h',
         'launcher/app_launcher_button.cc',
         'launcher/app_launcher_button.h',
         'launcher/launcher.cc',
@@ -121,6 +123,13 @@
         'workspace/workspace_manager.h',
         'workspace/workspace_observer.h',
       ],
+      'conditions': [
+        ['use_ibus==1', {
+          'dependencies': [
+            '../../build/linux/system.gyp:ibus',
+          ],
+        }],
+      ],
     },
     {
       'target_name': 'aura_shell_unittests',
@@ -150,6 +159,7 @@
         'root_window_event_filter_unittest.cc',
         'drag_drop_controller_unittest.cc',
         'image_grid_unittest.cc',
+        'input_method_event_filter_unittest.cc',
         'launcher/launcher_model_unittest.cc',
         'launcher/view_model_unittest.cc',
         'launcher/view_model_utils_unittest.cc',