gles2: Fix glDiscardFramebufferEXT

gpu/command_buffer/service/gles2_cmd_decoder_unittest_framebuffers.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder_unittest_framebuffers.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_unittest_framebuffers.cc b/gpu/command_buffer/service/gles2_cmd_decoder_unittest_framebuffers.cc
index 8094910a898cff3f76e82e0c81601cce19364161..40ca073a37c17ce033dfb0e665eced0eed2718f1 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_unittest_framebuffers.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_unittest_framebuffers.cc
@@ -3876,7 +3876,7 @@ TEST_P(GLES3DecoderTest, InvalidateFramebufferDepthStencilAttachment) {
   EXPECT_FALSE(framebuffer->HasUnclearedAttachment(GL_STENCIL_ATTACHMENT));
 
   attachments[0] = GL_DEPTH_STENCIL_ATTACHMENT;
-  EXPECT_CALL(*gl_, InvalidateFramebuffer(target, 1, _))
+  EXPECT_CALL(*gl_, InvalidateFramebuffer(target, 2, _))
       .Times(1)
       .RetiresOnSaturation();
   cmd.Init(target, count, attachments);