Refactoring the ownership of ui::InputMethod.

ui/wm/test/wm_test_helper.h

Index: ui/wm/test/wm_test_helper.h
diff --git a/ui/wm/test/wm_test_helper.h b/ui/wm/test/wm_test_helper.h
index 9b92e2858cf73770aefdf9e08cd642f92cbee7e2..c0c09f606735b1d9166c330d12aca4d0d397ce3f 100644
--- a/ui/wm/test/wm_test_helper.h
+++ b/ui/wm/test/wm_test_helper.h
@@ -31,7 +31,6 @@ class ContextFactory;
 namespace wm {
 
 class CompoundEventFilter;
-class InputMethodEventFilter;
 
 // Creates a minimal environment for running the shell. We can't pull in all of
 // ash here, but we can create attach several of the same things we'd find in
@@ -54,7 +53,6 @@ class WMTestHelper : public aura::client::WindowTreeClient {
 
   scoped_ptr<wm::CompoundEventFilter> root_window_event_filter_;
   scoped_ptr<aura::client::DefaultCaptureClient> capture_client_;
-  scoped_ptr<wm::InputMethodEventFilter> input_method_filter_;
   scoped_ptr<aura::client::FocusClient> focus_client_;
 
   DISALLOW_COPY_AND_ASSIGN(WMTestHelper);