Remove the 2-level input method system & InputMethodBridge.

ui/views/widget/native_widget_delegate.h

Index: ui/views/widget/native_widget_delegate.h
diff --git a/ui/views/widget/native_widget_delegate.h b/ui/views/widget/native_widget_delegate.h
index 4f5ed9ee71d80bd37a759dc214a2908f1835e811..224972c2d1204487b1a35c4c5fae36850ac05137 100644
--- a/ui/views/widget/native_widget_delegate.h
+++ b/ui/views/widget/native_widget_delegate.h
@@ -28,7 +28,6 @@ class TouchEvent;
 }
 
 namespace views {
-class InputMethod;
 class Widget;
 
 namespace internal {
@@ -125,11 +124,6 @@ class VIEWS_EXPORT NativeWidgetDelegate {
   // Runs the specified native command. Returns true if the command is handled.
   virtual bool ExecuteCommand(int command_id) = 0;
 
-  // Returns the input method of the widget this delegate is associated with.
-  // Note that this does not use the top level widget, so may return NULL
-  // if the widget doesn't have input method.
-  virtual InputMethod* GetInputMethodDirect() = 0;
-
   // Returns the child Layers of the Widgets layer that were created by Views.
   virtual const std::vector<ui::Layer*>& GetRootLayers() = 0;