Revert "Add support for ANGLE using upstream build rules (#290)"

build/config/BUILD.gn

@@ -6,14 +6,16 @@ import("//build/config/allocator.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
-import("//build/config/dcheck_always_on.gni")
 
 declare_args() {
   # When set, turns off the (normally-on) iterator debugging and related stuff
   # that is normally turned on for Debug builds. These are generally useful for
   # catching bugs but in some cases may cause conflicts or excessive slowness.
   disable_iterator_debugging = false
 
+  # Set to true to enable dcheck in Release builds.
+  dcheck_always_on = false
+
   # Set to true to compile with the OpenGL ES 2.0 conformance tests.
   internal_gles2_conform_tests = false
 }

build/config/sanitizers/sanitizers.gni

@@ -18,5 +18,3 @@ declare_args() {
   # GCS.
   use_prebuilt_instrumented_libraries = false
 }
-
-use_fuzzing_engine = false

build/config/ui.gni

@@ -18,9 +18,3 @@ declare_args() {
   # window system events and input.
   use_glfw = false
 }
-
-# For ANGLE build. It's a build option there, but hard-coded here.
-use_x11 = false
-
-# For ANGLE build. It's a build option there, but hard-coded here.
-use_ozone = false

build/secondary/third_party/swiftshader_flutter/BUILD.gn

@@ -587,7 +587,7 @@ source_set("main") {
 
 shared_library("egl") {
   if (is_win) {
-    output_name = "lib64EGL_translator"
+    output_name = "libEGL"
   } else {
     output_name = "EGL"
   }
@@ -645,7 +645,7 @@ shared_library("egl") {
 
 shared_library("gles") {
   if (is_win) {
-    output_name = "lib64GLES_V2_translator"
+    output_name = "libGLESv2"
   } else {
     output_name = "GLESv2"
   }