Fix Ozone backend build flags.

Broken by http://crrev.com/c/2405806 ANGLE_USE_GBM must be defined in Display.cpp, not just GL backend. This also requires depending on libdrm for its headers. Bug: angleproject:3943, chromium:1181952 Change-Id: I4650d7806435413184b36c820cc6d06992f7f5cf Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2726575Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Yuly Novikov <ynovikov@chromium.org>

Fix Ozone backend build flags.
4f639a7e · Yuly Novikov · Commit Bot · 73afaf1e · 4f639a7e
Commit 4f639a7e authored Feb 27, 2021 by Yuly Novikov Committed by Commit Bot Feb 28, 2021
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BUILD.gn src/libANGLE/renderer/gl/BUILD.gn +4 -3

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--- a/src/libANGLE/renderer/gl/BUILD.gn
+++ b/src/libANGLE/renderer/gl/BUILD.gn
@@ -233,6 +233,9 @@ config("angle_gl_backend_config") {
  if (angle_enable_gl_null) {
    defines += [ "ANGLE_ENABLE_OPENGL_NULL" ]
  }
+  if (ozone_platform_gbm) {
+    defines += [ "ANGLE_USE_GBM" ]
+  }
  if (is_apple) {
    defines += [ "GL_SILENCE_DEPRECATION" ]
  }
@@ -244,7 +247,6 @@ angle_source_set("angle_gl_backend") {

  public_configs = [ ":angle_gl_backend_config" ]
  public_deps = [ "$angle_root:libANGLE_headers" ]
-  defines = []

  deps = [
    "$angle_root:angle_gpu_info_util",
@@ -277,8 +279,7 @@ angle_source_set("angle_gl_backend") {
    }
  }
  if (ozone_platform_gbm) {
-    configs += [ ":libdrm" ]
-    defines += [ "ANGLE_USE_GBM" ]
+    public_configs += [ ":libdrm" ]
    deps += [ "//third_party/minigbm" ]
  }
 }