command_buffer_gles2: Add test command_buffer_gles2_test for command_buffer_gles2

gpu/BUILD.gn

Index: gpu/BUILD.gn
diff --git a/gpu/BUILD.gn b/gpu/BUILD.gn
index 63447f15ebd7f465d732437c5168314c95c1d188..b602ed42b91d63ac3421fbc324f6761607bdd03f 100644
--- a/gpu/BUILD.gn
+++ b/gpu/BUILD.gn
@@ -60,6 +60,8 @@ shared_library("command_buffer_gles2") {
     "gles2_conform_support/egl/egl.cc",
     "gles2_conform_support/egl/surface.cc",
     "gles2_conform_support/egl/surface.h",
+    "gles2_conform_support/egl/test_support.cc",
+    "gles2_conform_support/egl/test_support.h",
   ]
 
   deps = [
@@ -81,6 +83,43 @@ shared_library("command_buffer_gles2") {
   }
 }
 
+# GYP version: //gpu/gpu.gyp:command_buffer_gles2_tests
+test("command_buffer_gles2_tests") {
+  sources = [
+    "command_buffer/tests/command_buffer_gles2_tests_main.cc",
+    "command_buffer/tests/egl_test.cc",
+  ]
+
+  deps = [
+    ":command_buffer_gles2",
+    "//base",
+    "//base/test:test_support",
+    "//base/third_party/dynamic_annotations",
+    "//testing/gmock",
+    "//testing/gtest",
+  ]
+
+  defines = [
+    "COMMAND_BUFFER_GLES_LIB_SUPPORT_ONLY",
+    "EGLAPIENTRY=",
+  ]
+  if (current_os == "win") {
+    defines += [ "EGLAPI=__declspec(dllimport)" ]
+  } else {
+    defines += [ "EGLAPI=" ]
+  }
+
+  libs = []
+
+  if (is_android) {
+    libs += [ "android" ]
+    deps += [ "//ui/android:ui_java" ]
+  }
+  if (!is_component_build) {
+    configs += [ "//build/config/gcc:rpath_for_built_shared_libraries" ]
+  }
+}
+
 source_set("test_support") {
   testonly = true
   sources = [