[Ozone-Drm] Notify cursor of channel established last

ui/ozone/platform/drm/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/drm/ozone_platform_gbm.h"
 
 #include <dlfcn.h>
 #include <gbm.h>
 #include <stdlib.h>
 
@@ skipping 136 matching lines @@
         display_manager_.get(), primary_graphics_card_path_));
   }
   void InitializeUI() override {
     primary_graphics_card_path_ = GetPrimaryDisplayCardPath();
     display_manager_.reset(new DisplayManager());
     // Needed since the browser process creates the accelerated widgets and that
     // happens through SFO.
     if (!surface_factory_ozone_)
       surface_factory_ozone_.reset(new GbmSurfaceFactory(use_surfaceless_));
     device_manager_ = CreateDeviceManager();
-    gpu_platform_support_host_.reset(new DrmGpuPlatformSupportHost());
+    cursor_.reset(new DrmCursor(window_manager_.get()));
+    gpu_platform_support_host_.reset(
+        new DrmGpuPlatformSupportHost(cursor_.get()));
     window_manager_.reset(new DrmWindowHostManager());
     cursor_factory_ozone_.reset(new BitmapCursorFactoryOzone);
-    cursor_.reset(
-        new DrmCursor(window_manager_.get(), gpu_platform_support_host_.get()));
-    cursor_->Init();
 #if defined(USE_XKBCOMMON)
     KeyboardLayoutEngineManager::SetKeyboardLayoutEngine(make_scoped_ptr(
         new XkbKeyboardLayoutEngine(xkb_evdev_code_converter_)));
 #else
     KeyboardLayoutEngineManager::SetKeyboardLayoutEngine(
         make_scoped_ptr(new StubKeyboardLayoutEngine()));
 #endif
     event_factory_ozone_.reset(new EventFactoryEvdev(
         cursor_.get(), device_manager_.get(),
         KeyboardLayoutEngineManager::GetKeyboardLayoutEngine()));
@@ skipping 38 matching lines @@
   // Objects in the GPU process.
   scoped_ptr<GpuLock> gpu_lock_;
   scoped_ptr<GlApiLoader> gl_api_loader_;
   scoped_refptr<GbmDevice> gbm_;
   scoped_ptr<DrmDeviceManager> drm_device_manager_;
   scoped_ptr<GbmBufferGenerator> buffer_generator_;
   scoped_ptr<ScreenManager> screen_manager_;
   scoped_ptr<DrmGpuPlatformSupport> gpu_platform_support_;
   scoped_ptr<DrmWindowManager> window_delegate_manager_;
 
-  // Obejcts in the Browser process.
+  // Objects in the Browser process.
   base::FilePath primary_graphics_card_path_;
   scoped_ptr<DeviceManager> device_manager_;
   scoped_ptr<BitmapCursorFactoryOzone> cursor_factory_ozone_;
+  scoped_ptr<DrmCursor> cursor_;
   scoped_ptr<EventFactoryEvdev> event_factory_ozone_;
   scoped_ptr<DrmGpuPlatformSupportHost> gpu_platform_support_host_;
-  scoped_ptr<DrmCursor> cursor_;
   scoped_ptr<DrmWindowHostManager> window_manager_;
   scoped_ptr<DisplayManager> display_manager_;
 
 #if defined(USE_XKBCOMMON)
   XkbEvdevCodes xkb_evdev_code_converter_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(OzonePlatformGbm);
 };
 
 }  // namespace
 
 OzonePlatform* CreateOzonePlatformGbm() {
   base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();
 #if defined(USE_MESA_PLATFORM_NULL)
   // Only works with surfaceless.
   cmd->AppendSwitch(switches::kOzoneUseSurfaceless);
 #endif
   return new OzonePlatformGbm(cmd->HasSwitch(switches::kOzoneUseSurfaceless));
 }
 
 }  // namespace ui