gpu: check GL_RGB565 work in ES3 context

gpu/command_buffer/service/test_helper.cc

Index: gpu/command_buffer/service/test_helper.cc
diff --git a/gpu/command_buffer/service/test_helper.cc b/gpu/command_buffer/service/test_helper.cc
index 89224142d9d653ecc0d4fe50762c2d901dfeab8a..dd4fa1e1cfa1af66903c4a45f43c0238632b0315 100644
--- a/gpu/command_buffer/service/test_helper.cc
+++ b/gpu/command_buffer/service/test_helper.cc
@@ -721,6 +721,16 @@ void TestHelper::SetupFeatureInfoInitExpectationsWithGLVersion(
   }
 }
 
+void TestHelper::SetupFetureInfoEnableES3ValidatorsExpectations(
+    ::gl::MockGLInterface* gl) {
+  EXPECT_CALL(*gl, GetIntegerv(GL_MAX_COLOR_ATTACHMENTS, _))
+      .WillOnce(SetArgumentPointee<1>(8))
+      .RetiresOnSaturation();
+  EXPECT_CALL(*gl, GetIntegerv(GL_MAX_DRAW_BUFFERS, _))
+      .WillOnce(SetArgumentPointee<1>(8))
+      .RetiresOnSaturation();
+}
+
 void TestHelper::SetupExpectationsForClearingUniforms(::gl::MockGLInterface* gl,
                                                       UniformInfo* uniforms,
                                                       size_t num_uniforms) {