IME for Mus: Remove OnTextInputModeChanged() from IME's mojo API.

services/ui/public/interfaces/ime/ime.mojom

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 module ui.mojom;
 
 import "ui/events/mojo/event.mojom";
 import "ui/gfx/geometry/mojo/geometry.mojom";
 import "ui/gfx/range/mojo/range.mojom";
 
@@ skipping 75 matching lines @@
 // An IME driver register should register itself to Mus using the IMERegistrar
 // interface.
 interface IMERegistrar {
   RegisterDriver(IMEDriver driver);
 };
 
 // A client sends updates to the IME driver using the InputMethod interface.
 // This interface is provided by IME drivers, and also by Mus as a lightweight
 // proxy between IME drivers and clients.
 interface InputMethod {
-  OnTextInputModeChanged(TextInputMode text_input_mode);
   OnTextInputTypeChanged(TextInputType text_input_type);
 
   // Client sends |caret_bounds| in focused window coordinates,
   // Mus translates it to global coordinates and sends it to IME app.
   OnCaretBoundsChanged(gfx.mojom.Rect caret_bounds);
 
   // Called to process a key event. The callback function will be called to
   // notify the client if the event was handled or not. A handled event may
   // generate zero or more composition events which will be sent to the client
   // using the "input method result" functions of TextInputClient interface.
@@ skipping 27 matching lines @@
   // the character is not processed. See ui::TextInputClient::InsertChar()
   // for more details.
   InsertChar(ui.mojom.Event event);
 
   // TODO(moshayedi): Add functions corresponding to ui::TextInputClient for:
   // - Input context information
   // - Document content operations
   // - Miscellaneous functions
   // crbug.com/631527.
 };