[WIP][Ozone] Support external touchscreens

ui/ozone/platform/dri/ozone_platform_gbm.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/dri/ozone_platform_gbm.h"
 
 #include <dlfcn.h>
 #include <gbm.h>
 #include <stdlib.h>
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "ui/base/cursor/ozone/bitmap_cursor_factory_ozone.h"
 #include "ui/events/ozone/device/device_manager.h"
 #include "ui/events/ozone/evdev/event_factory_evdev.h"
+#include "ui/ozone/platform/dri/display_manager.h"
 #include "ui/ozone/platform/dri/dri_cursor.h"
 #include "ui/ozone/platform/dri/dri_gpu_platform_support.h"
 #include "ui/ozone/platform/dri/dri_gpu_platform_support_host.h"
 #include "ui/ozone/platform/dri/dri_window.h"
 #include "ui/ozone/platform/dri/dri_window_delegate_manager.h"
 #include "ui/ozone/platform/dri/dri_window_manager.h"
 #include "ui/ozone/platform/dri/dri_wrapper.h"
 #include "ui/ozone/platform/dri/gbm_buffer.h"
 #include "ui/ozone/platform/dri/gbm_surface.h"
 #include "ui/ozone/platform/dri/gbm_surface_factory.h"
@@ skipping 69 matching lines @@
     return gpu_platform_support_host_.get();
   }
   virtual scoped_ptr<PlatformWindow> CreatePlatformWindow(
       PlatformWindowDelegate* delegate,
       const gfx::Rect& bounds) override {
     scoped_ptr<DriWindow> platform_window(
         new DriWindow(delegate,
                       bounds,
                       gpu_platform_support_host_.get(),
                       event_factory_ozone_.get(),
-                      window_manager_.get()));
+                      window_manager_.get(),
+                      display_manager_.get()));
     platform_window->Initialize();
     return platform_window.Pass();
   }
   virtual scoped_ptr<NativeDisplayDelegate> CreateNativeDisplayDelegate()
       override {
-    return scoped_ptr<NativeDisplayDelegate>(new NativeDisplayDelegateProxy(
-        gpu_platform_support_host_.get(), device_manager_.get()));
+    return scoped_ptr<NativeDisplayDelegate>(
+        new NativeDisplayDelegateProxy(gpu_platform_support_host_.get(),
+                                       device_manager_.get(),
+                                       display_manager_.get()));
   }
   virtual void InitializeUI() override {
     vt_manager_.reset(new VirtualTerminalManager());
+    display_manager_.reset(new DisplayManager());
     // Needed since the browser process creates the accelerated widgets and that
     // happens through SFO.
     surface_factory_ozone_.reset(new GbmSurfaceFactory(use_surfaceless_));
     device_manager_ = CreateDeviceManager();
     gpu_platform_support_host_.reset(new DriGpuPlatformSupportHost());
     cursor_factory_ozone_.reset(new BitmapCursorFactoryOzone);
     window_manager_.reset(
         new DriWindowManager(gpu_platform_support_host_.get()));
     event_factory_ozone_.reset(new EventFactoryEvdev(window_manager_->cursor(),
                                                      device_manager_.get()));
@@ skipping 36 matching lines @@
   scoped_ptr<BitmapCursorFactoryOzone> cursor_factory_ozone_;
   scoped_ptr<EventFactoryEvdev> event_factory_ozone_;
 
   scoped_ptr<DriGpuPlatformSupport> gpu_platform_support_;
   scoped_ptr<DriGpuPlatformSupportHost> gpu_platform_support_host_;
 
   scoped_ptr<DriWindowDelegateManager> window_delegate_manager_;
   // Browser side object only.
   scoped_ptr<DriWindowManager> window_manager_;
 
+  scoped_ptr<DisplayManager> display_manager_;
+
   DISALLOW_COPY_AND_ASSIGN(OzonePlatformGbm);
 };
 
 }  // namespace
 
 OzonePlatform* CreateOzonePlatformGbm() {
   CommandLine* cmd = CommandLine::ForCurrentProcess();
   return new OzonePlatformGbm(cmd->HasSwitch(switches::kOzoneUseSurfaceless));
 }
 
 }  // namespace ui