Propagate supported scanout formats from driver to SurfaceFactoryOzone.

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 <fcntl.h>
 #include <gbm.h>
 #include <stdlib.h>
@@ skipping 81 matching lines @@
   }
   GpuPlatformSupport* GetGpuPlatformSupport() override {
     return gpu_platform_support_.get();
   }
   GpuPlatformSupportHost* GetGpuPlatformSupportHost() override {
     return gpu_platform_support_host_.get();
   }
   scoped_ptr<SystemInputInjector> CreateSystemInputInjector() override {
     return event_factory_ozone_->CreateSystemInputInjector();
   }
+  void GetSupportedFormats(std::vector<uint32_t>* support_formats) override {
+    if (drm_thread_.get())
+      return drm_thread_->GetSupportedFormats(support_formats);
+  }
   scoped_ptr<PlatformWindow> CreatePlatformWindow(
       PlatformWindowDelegate* delegate,
       const gfx::Rect& bounds) override {
     scoped_ptr<DrmWindowHost> platform_window(
         new DrmWindowHost(delegate, bounds, gpu_platform_support_host_.get(),
                           event_factory_ozone_.get(), cursor_.get(),
                           window_manager_.get(), display_manager_.get()));
     platform_window->Initialize();
     return std::move(platform_window);
   }
@@ skipping 71 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(OzonePlatformGbm);
 };
 
 }  // namespace
 
 OzonePlatform* CreateOzonePlatformGbm() {
   return new OzonePlatformGbm;
 }
 
 }  // namespace ui