gpu: Avoid detaching images with glTexSubImage2D

gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.cc b/gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.cc
index c3fc9ffb0d88aeb0f4e56eda6183be2baf0e9c44..c75d7f5442cfd6a870b659ee33b0ae313424cdbb 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.cc
@@ -1093,6 +1093,18 @@ void GLES2DecoderTestBase::DoDeleteTexture(
   GenHelper<cmds::DeleteTexturesImmediate>(client_id);
 }
 
+void GLES2DecoderTestBase::DoBindTexImage2DCHROMIUM(GLenum target,
+                                                    GLint image_id) {
+  cmds::BindTexImage2DCHROMIUM bind_tex_image_2d_cmd;
+  bind_tex_image_2d_cmd.Init(target, image_id);
+  EXPECT_CALL(*gl_, GetError())
+      .WillOnce(Return(GL_NO_ERROR))
+      .WillOnce(Return(GL_NO_ERROR))
+      .RetiresOnSaturation();
+  EXPECT_EQ(error::kNoError, ExecuteCmd(bind_tex_image_2d_cmd));
+  EXPECT_EQ(GL_NO_ERROR, GetGLError());
+}
+
 void GLES2DecoderTestBase::DoTexImage2D(
     GLenum target, GLint level, GLenum internal_format,
     GLsizei width, GLsizei height, GLint border,