Prevent crash when using getExtension while a PBO is bound.

gpu/command_buffer/service/context_group_unittest.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/context_group.h"
 
 #include <stdint.h>
 
 #include <memory>
 
@@ skipping 53 matching lines @@
   EXPECT_TRUE(group_->buffer_manager() == NULL);
   EXPECT_TRUE(group_->framebuffer_manager() == NULL);
   EXPECT_TRUE(group_->renderbuffer_manager() == NULL);
   EXPECT_TRUE(group_->texture_manager() == NULL);
   EXPECT_TRUE(group_->program_manager() == NULL);
   EXPECT_TRUE(group_->shader_manager() == NULL);
 }
 
 TEST_F(ContextGroupTest, InitializeNoExtensions) {
   TestHelper::SetupContextGroupInitExpectations(
-      gl_.get(), DisallowedFeatures(), "", "", kBindGeneratesResource);
+      gl_.get(), DisallowedFeatures(), "", "",
+      CONTEXT_TYPE_OPENGLES2, kBindGeneratesResource);
   group_->Initialize(decoder_.get(), CONTEXT_TYPE_OPENGLES2,
                      DisallowedFeatures());
   EXPECT_EQ(static_cast<uint32_t>(TestHelper::kNumVertexAttribs),
             group_->max_vertex_attribs());
   EXPECT_EQ(static_cast<uint32_t>(TestHelper::kNumTextureUnits),
             group_->max_texture_units());
   EXPECT_EQ(static_cast<uint32_t>(TestHelper::kMaxTextureImageUnits),
             group_->max_texture_image_units());
   EXPECT_EQ(static_cast<uint32_t>(TestHelper::kMaxVertexTextureImageUnits),
             group_->max_vertex_texture_image_units());
@@ skipping 15 matching lines @@
   EXPECT_TRUE(group_->framebuffer_manager() == NULL);
   EXPECT_TRUE(group_->renderbuffer_manager() == NULL);
   EXPECT_TRUE(group_->texture_manager() == NULL);
   EXPECT_TRUE(group_->program_manager() == NULL);
   EXPECT_TRUE(group_->shader_manager() == NULL);
 }
 
 TEST_F(ContextGroupTest, MultipleContexts) {
   std::unique_ptr<MockGLES2Decoder> decoder2_(new MockGLES2Decoder());
   TestHelper::SetupContextGroupInitExpectations(
-      gl_.get(), DisallowedFeatures(), "", "", kBindGeneratesResource);
+      gl_.get(), DisallowedFeatures(), "", "",
+      CONTEXT_TYPE_OPENGLES2, kBindGeneratesResource);
   EXPECT_TRUE(group_->Initialize(decoder_.get(), CONTEXT_TYPE_OPENGLES2,
                                  DisallowedFeatures()));
   EXPECT_FALSE(group_->Initialize(decoder2_.get(), CONTEXT_TYPE_WEBGL1,
                                   DisallowedFeatures()));
   EXPECT_FALSE(group_->Initialize(decoder2_.get(), CONTEXT_TYPE_WEBGL2,
                                   DisallowedFeatures()));
   EXPECT_FALSE(group_->Initialize(decoder2_.get(), CONTEXT_TYPE_OPENGLES3,
                                   DisallowedFeatures()));
   EXPECT_TRUE(group_->Initialize(decoder2_.get(), CONTEXT_TYPE_OPENGLES2,
                                  DisallowedFeatures()));
@@ skipping 21 matching lines @@
   EXPECT_TRUE(group_->renderbuffer_manager() == NULL);
   EXPECT_TRUE(group_->texture_manager() == NULL);
   EXPECT_TRUE(group_->program_manager() == NULL);
   EXPECT_TRUE(group_->shader_manager() == NULL);
 }
 
 }  // namespace gles2
 }  // namespace gpu