Make sksurface from vkimage

Author: bdero

shell/gpu/gpu_surface_vulkan.cc

@@ -67,4 +67,9 @@ GrDirectContext* GPUSurfaceVulkan::GetContext() {
   return skia_context_;
 }
 
+sk_sp<SkSurface> GPUSurfaceVulkan::AcquireSurfaceFromVulkanImage(
+    VkImage image) {
+
+}
+
 }  // namespace flutter

shell/gpu/gpu_surface_vulkan.h

@@ -60,6 +60,9 @@ class GPUSurfaceVulkan : public Surface {
   size_t current_backbuffer_index_;
 
   fml::WeakPtrFactory<GPUSurfaceVulkan> weak_factory_;
+
+  sk_sp<SkSurface> AcquireSurfaceFromVulkanImage(VkImage image);
+
   FML_DISALLOW_COPY_AND_ASSIGN(GPUSurfaceVulkan);
 };