Revert of gpu: Use ANDROID_native_fence_sync instead of ARM_implicit_external_sync.

ui/ozone/platform/drm/gpu/gbm_surfaceless.cc

Index: ui/ozone/platform/drm/gpu/gbm_surfaceless.cc
diff --git a/ui/ozone/platform/drm/gpu/gbm_surfaceless.cc b/ui/ozone/platform/drm/gpu/gbm_surfaceless.cc
index cacd16fee13224453ab51d918d327dcb48508972..4b4913b78f7cf8d7b718e263c47cb9ca62a820b2 100644
--- a/ui/ozone/platform/drm/gpu/gbm_surfaceless.cc
+++ b/ui/ozone/platform/drm/gpu/gbm_surfaceless.cc
@@ -35,7 +35,8 @@
       surface_factory_(surface_factory),
       window_(std::move(window)),
       widget_(widget),
-      has_native_fence_sync_(HasEGLExtension("EGL_ANDROID_native_fence_sync")),
+      has_implicit_external_sync_(
+          HasEGLExtension("EGL_ARM_implicit_external_sync")),
       weak_factory_(this) {
   surface_factory_->RegisterSurface(window_->widget(), this);
   unsubmitted_frames_.push_back(base::MakeUnique<PendingFrame>());
@@ -113,7 +114,7 @@
 
   // TODO: the following should be replaced by a per surface flush as it gets
   // implemented in GL drivers.
-  EGLSyncKHR fence = InsertFence(has_native_fence_sync_);
+  EGLSyncKHR fence = InsertFence(has_implicit_external_sync_);
   if (!fence) {
     callback.Run(gfx::SwapResult::SWAP_FAILED);
     return;
@@ -205,10 +206,12 @@
   }
 }
 
-EGLSyncKHR GbmSurfaceless::InsertFence(bool native) {
-  return eglCreateSyncKHR(
-      GetDisplay(), native ? EGL_SYNC_NATIVE_FENCE_ANDROID : EGL_SYNC_FENCE_KHR,
-      nullptr);
+EGLSyncKHR GbmSurfaceless::InsertFence(bool implicit) {
+  const EGLint attrib_list[] = {EGL_SYNC_CONDITION_KHR,
+                                EGL_SYNC_PRIOR_COMMANDS_IMPLICIT_EXTERNAL_ARM,
+                                EGL_NONE};
+  return eglCreateSyncKHR(GetDisplay(), EGL_SYNC_FENCE_KHR,
+                          implicit ? attrib_list : NULL);
 }
 
 void GbmSurfaceless::FenceRetired(EGLSyncKHR fence, PendingFrame* frame) {