Restore samplers' state across virtualized GL contexts.

gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 2036 matching lines @@
   DoBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, 2, indices);
   DoBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 2, sizeof(indices) - 2, &indices[1]);
 }
 
 void GLES2DecoderTestBase::SetupTexture() {
   DoBindTexture(GL_TEXTURE_2D, client_texture_id_, kServiceTextureId);
   DoTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
                kSharedMemoryId, kSharedMemoryOffset);
 };
 
+void GLES2DecoderTestBase::SetupSampler() {
+  DoBindSampler(0, client_sampler_id_, kServiceSamplerId);
+};
+
 void GLES2DecoderTestBase::DeleteVertexBuffer() {
   DoDeleteBuffer(client_buffer_id_, kServiceBufferId);
 }
 
 void GLES2DecoderTestBase::DeleteIndexBuffer() {
   DoDeleteBuffer(client_element_buffer_id_, kServiceElementBufferId);
 }
 
 void GLES2DecoderTestBase::AddExpectationsForSimulatedAttrib0WithError(
     GLsizei num_vertices, GLuint buffer_id, GLenum error) {
@@ skipping 116 matching lines @@
   SetupDefaultProgram();
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/service/gles2_cmd_decoder_unittest_0_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu