ozone: Add sync flag for atomic commit

ui/ozone/platform/drm/gpu/drm_device.h

 // 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.
 
 #ifndef UI_OZONE_PLATFORM_DRM_GPU_DRM_DEVICE_H_
 #define UI_OZONE_PLATFORM_DRM_GPU_DRM_DEVICE_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 141 matching lines @@
   virtual bool DestroyDumbBuffer(uint32_t handle);
 
   virtual bool MapDumbBuffer(uint32_t handle, size_t size, void** pixels);
 
   virtual bool UnmapDumbBuffer(void* pixels, size_t size);
 
   virtual bool CloseBufferHandle(uint32_t handle);
 
   virtual bool CommitProperties(drmModePropertySet* properties,
                                 uint32_t flags,
+                                bool is_sync,
                                 const PageFlipCallback& callback);
 
   // Set the gamma ramp for |crtc_id| to reflect the ramps in |lut|.
   virtual bool SetGammaRamp(uint32_t crtc_id,
                             const std::vector<GammaRampRGBEntry>& lut);
 
   // Drm master related
   virtual bool SetMaster();
   virtual bool DropMaster();
 
@@ skipping 27 matching lines @@
   scoped_refptr<IOWatcher> watcher_;
 
   scoped_refptr<PageFlipManager> page_flip_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(DrmDevice);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRM_GPU_DRM_DEVICE_H_