gpu: Avoid detaching images with glTexSubImage2D

gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h

Index: gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h b/gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h
index 2160174f7cf24ca8fd97febcf7dccd45e28b4c6b..18e7422ffd0e4f2140348fb472580979cd8e364c 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h
@@ -164,6 +164,10 @@ class GLES2DecoderTestBase : public ::testing::TestWithParam<bool> {
     return group_->pending_valuebuffer_state();
   }
 
+  FeatureInfo* feature_info() {
+    return group_->feature_info();
+  }
+
   ImageManager* GetImageManager() { return decoder_->GetImageManager(); }
 
   void DoCreateProgram(GLuint client_id, GLuint service_id);
@@ -279,6 +283,7 @@ class GLES2DecoderTestBase : public ::testing::TestWithParam<bool> {
       GLenum target, GLint level, GLenum format,
       GLsizei width, GLsizei height, GLint border,
       GLsizei size, uint32 bucket_id);
+  void DoBindTexImage2DCHROMIUM(GLenum target, GLint image_id);
   void DoTexImage2D(
       GLenum target, GLint level, GLenum internal_format,
       GLsizei width, GLsizei height, GLint border,