IME for Mus: Make InputMethodMus use the IME Mojo API.

ui/views/mus/window_manager_connection.cc

 // Copyright 2015 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.
 
 #include "ui/views/mus/window_manager_connection.h"
 
 #include <utility>
 
 #include "base/lazy_instance.h"
 #include "base/memory/ptr_util.h"
@@ skipping 78 matching lines @@
     internal::NativeWidgetDelegate* delegate) {
   // TYPE_CONTROL widgets require a NativeWidgetAura. So we let this fall
   // through, so that the default NativeWidgetPrivate::CreateNativeWidget() is
   // used instead.
   if (init_params.type == Widget::InitParams::TYPE_CONTROL)
     return nullptr;
   std::map<std::string, std::vector<uint8_t>> properties = props;
   NativeWidgetMus::ConfigurePropertiesForNewWindow(init_params, &properties);
   properties[ui::mojom::WindowManager::kAppID_Property] =
       mojo::ConvertTo<std::vector<uint8_t>>(identity_.name());
-  return new NativeWidgetMus(delegate, NewWindow(properties),
-                             ui::mojom::SurfaceType::DEFAULT);
+  NativeWidgetMus* native_widget = new NativeWidgetMus(
+      delegate, NewWindow(properties), ui::mojom::SurfaceType::DEFAULT);
+  native_widget->window_tree_host()->InitInputMethod(connector_);

[sky, 2016/08/18 23:43:08]

Not all creation of NativeWidgetMus flows through this function. You should move
initialization to NativeWidgetMus::Init, but make sure you verify there is a
WindowManagerConnection before doing that.

[Hadi, 2016/08/25 18:06:06]

Done.

+  return native_widget;
 }
 
 const std::set<ui::Window*>& WindowManagerConnection::GetRoots() const {
   return client_->GetRoots();
 }
 
 WindowManagerConnection::WindowManagerConnection(
     shell::Connector* connector,
     const shell::Identity& identity)
     : connector_(connector), identity_(identity) {
@@ skipping 49 matching lines @@
 gfx::Point WindowManagerConnection::GetCursorScreenPoint() {
   return client_->GetCursorScreenPoint();
 }
 
 std::unique_ptr<OSExchangeData::Provider>
 WindowManagerConnection::BuildProvider() {
   return base::MakeUnique<OSExchangeDataProviderMus>();
 }
 
 }  // namespace views