Ozone: Remove the caca platform from the tree

ui/ozone/platform/caca/ozone_platform_caca.cc

-// Copyright 2014 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/ozone/platform/caca/ozone_platform_caca.h"
-
-#include "base/macros.h"
-#include "base/memory/ptr_util.h"
-#include "ui/events/ozone/layout/keyboard_layout_engine_manager.h"
-#include "ui/events/ozone/layout/no/no_keyboard_layout_engine.h"
-#include "ui/ozone/common/native_display_delegate_ozone.h"
-#include "ui/ozone/common/stub_overlay_manager.h"
-#include "ui/ozone/platform/caca/caca_event_source.h"
-#include "ui/ozone/platform/caca/caca_window.h"
-#include "ui/ozone/platform/caca/caca_window_manager.h"
-#include "ui/ozone/public/cursor_factory_ozone.h"
-#include "ui/ozone/public/gpu_platform_support_host.h"
-#include "ui/ozone/public/input_controller.h"
-#include "ui/ozone/public/ozone_platform.h"
-#include "ui/ozone/public/system_input_injector.h"
-
-namespace ui {
-
-namespace {
-
-class OzonePlatformCaca : public OzonePlatform {
- public:
-  OzonePlatformCaca() {}
-  ~OzonePlatformCaca() override {}
-
-  // OzonePlatform:
-  ui::SurfaceFactoryOzone* GetSurfaceFactoryOzone() override {
-    return window_manager_.get();
-  }
-  OverlayManagerOzone* GetOverlayManager() override {
-    return overlay_manager_.get();
-  }
-  CursorFactoryOzone* GetCursorFactoryOzone() override {
-    return cursor_factory_ozone_.get();
-  }
-  InputController* GetInputController() override {
-    return input_controller_.get();
-  }
-  GpuPlatformSupportHost* GetGpuPlatformSupportHost() override {
-    return gpu_platform_support_host_.get();
-  }
-  std::unique_ptr<SystemInputInjector> CreateSystemInputInjector() override {
-    return nullptr;  // no input injection support.
-  }
-  std::unique_ptr<PlatformWindow> CreatePlatformWindow(
-      PlatformWindowDelegate* delegate,
-      const gfx::Rect& bounds) override {
-    std::unique_ptr<CacaWindow> caca_window(new CacaWindow(
-        delegate, window_manager_.get(), event_source_.get(), bounds));
-    if (!caca_window->Initialize())
-      return nullptr;
-    return std::move(caca_window);
-  }
-  std::unique_ptr<NativeDisplayDelegate> CreateNativeDisplayDelegate()
-      override {
-    return base::MakeUnique<NativeDisplayDelegateOzone>();
-  }
-
-  void InitializeUI() override {
-    window_manager_.reset(new CacaWindowManager);
-    overlay_manager_.reset(new StubOverlayManager());
-    event_source_.reset(new CacaEventSource());
-    cursor_factory_ozone_.reset(new CursorFactoryOzone());
-    gpu_platform_support_host_.reset(CreateStubGpuPlatformSupportHost());
-    input_controller_ = CreateStubInputController();
-    KeyboardLayoutEngineManager::SetKeyboardLayoutEngine(
-        base::MakeUnique<NoKeyboardLayoutEngine>());
-  }
-
-  void InitializeGPU() override {
-    if (!window_manager_) {
-      // The return value of GetSurfaceFactoryOzone() must be non-null so a
-      // dummy instance of CacaWindowManager is needed to make the GPU
-      // initialization gracefully fail.
-      window_manager_.reset(new CacaWindowManager);
-    }
-  }
-
- private:
-  std::unique_ptr<CacaWindowManager> window_manager_;
-  std::unique_ptr<CacaEventSource> event_source_;
-  std::unique_ptr<CursorFactoryOzone> cursor_factory_ozone_;
-  std::unique_ptr<GpuPlatformSupportHost> gpu_platform_support_host_;
-  std::unique_ptr<InputController> input_controller_;
-  std::unique_ptr<OverlayManagerOzone> overlay_manager_;
-
-  DISALLOW_COPY_AND_ASSIGN(OzonePlatformCaca);
-};
-
-}  // namespace
-
-OzonePlatform* CreateOzonePlatformCaca() {
-  return new OzonePlatformCaca;
-}
-
-}  // namespace ui