Reset PIXEL_UNPACK_BUFFER at texture manager initialization time

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 214 matching lines @@
   // We initialize the ContextGroup with a MockGLES2Decoder so that
   // we can use the ContextGroup to figure out how the real GLES2Decoder
   // will initialize itself.
   mock_decoder_.reset(new MockGLES2Decoder());
 
   // Install FakeDoCommands handler so we can use individual DoCommand()
   // expectations.
   EXPECT_CALL(*mock_decoder_, DoCommands(_, _, _, _)).WillRepeatedly(
       Invoke(mock_decoder_.get(), &MockGLES2Decoder::FakeDoCommands));
 
+  EXPECT_CALL(*gl_, GetString(GL_VERSION))
+      .WillOnce(Return(
+            reinterpret_cast<const uint8_t*>(
+            normalized_init.gl_version.c_str())))
+      .RetiresOnSaturation();
+  std::unique_ptr<gl::GLVersionInfo>  version_info;
+  version_info.reset(
+      new gl::GLVersionInfo(normalized_init.gl_version.c_str(), "", ""));
+
+  if (version_info->IsAtLeastGL(3, 2) || version_info->IsAtLeastGLES(3, 0)) {
+    EXPECT_CALL(*gl_, BindBuffer(GL_PIXEL_UNPACK_BUFFER, 0))
+        .Times(1)
+        .RetiresOnSaturation();
+  }
+
   EXPECT_TRUE(group_->Initialize(mock_decoder_.get(), init.context_type,
                                  DisallowedFeatures()));
 
   if (init.context_type == CONTEXT_TYPE_WEBGL2 ||
       init.context_type == CONTEXT_TYPE_OPENGLES3) {
     EXPECT_CALL(*gl_, GetIntegerv(GL_MAX_COLOR_ATTACHMENTS, _))
         .WillOnce(SetArgPointee<1>(kMaxColorAttachments))
         .RetiresOnSaturation();
     EXPECT_CALL(*gl_, GetIntegerv(GL_MAX_DRAW_BUFFERS, _))
         .WillOnce(SetArgPointee<1>(kMaxDrawBuffers))
@@ skipping 1879 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