Implement Linux IME support

services/keyboard/linux/main.cc

Index: services/keyboard/linux/main.cc
diff --git a/services/keyboard/linux/main.cc b/services/keyboard/linux/main.cc
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+++ b/services/keyboard/linux/main.cc
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+// 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 "base/macros.h"
+#include "base/threading/sequenced_worker_pool.h"
+#include "mojo/application/application_runner_chromium.h"
+#include "mojo/public/c/system/main.h"
+#include "mojo/public/cpp/application/application_connection.h"
+#include "mojo/public/cpp/application/application_delegate.h"
+#include "mojo/public/cpp/application/application_impl.h"
+#include "mojo/public/cpp/application/connect.h"
+#include "mojo/public/cpp/application/interface_factory.h"
+#include "mojo/services/native_viewport/interfaces/native_viewport.mojom.h"
+#include "services/keyboard/linux/keyboard_service_impl.h"
+
+namespace keyboard {
+
+class KeyboardServiceFactoryImpl : public keyboard::KeyboardServiceFactory {
+public:
+  explicit KeyboardServiceFactoryImpl(
+      mojo::InterfaceRequest<KeyboardServiceFactory> request)
+    : binding_(this, request.Pass()) {}
+
+  // |InterfaceFactory<KeyboardService>| implementation:
+  void CreateKeyboardService(
+      mojo::InterfaceRequest<mojo::NativeViewportEventDispatcher> dispatcher,
+      mojo::InterfaceRequest<KeyboardService> request) override {
+    new LinuxKeyboardServiceImpl(request.Pass(), dispatcher.Pass());
+  }
+
+private:
+  mojo::StrongBinding<keyboard::KeyboardServiceFactory> binding_;
+
+  DISALLOW_COPY_AND_ASSIGN(KeyboardServiceFactoryImpl);
+};
+
+class KeyboardServiceApp
+  : public mojo::ApplicationDelegate,
+    public mojo::InterfaceFactory<KeyboardServiceFactory> {
+ public:
+  KeyboardServiceApp() {}
+  ~KeyboardServiceApp() override {}
+
+ private:
+
+  // |ApplicationDelegate| override:
+  bool ConfigureIncomingConnection(
+      mojo::ApplicationConnection* connection) override {
+    connection->AddService<KeyboardServiceFactory>(this);
+    return true;
+  }
+
+  // |InterfaceFactory<KeyboardService>| implementation:
+  void Create(
+      mojo::ApplicationConnection* connection,
+      mojo::InterfaceRequest<KeyboardServiceFactory> request) override {
+    new KeyboardServiceFactoryImpl(request.Pass());
+  }
+
+ private:
+
+  DISALLOW_COPY_AND_ASSIGN(KeyboardServiceApp);
+};
+
+}  // namespace keyboard
+
+MojoResult MojoMain(MojoHandle application_request) {
+  mojo::ApplicationRunnerChromium runner(
+      new keyboard::KeyboardServiceApp());
+  return runner.Run(application_request);
+}