Prevent crash when using getExtension while a PBO is bound.

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 201 matching lines @@
   context_->AddExtensionsString(normalized_init.extensions.c_str());
   context_->SetGLVersionString(normalized_init.gl_version.c_str());
 
   context_->GLContextStubWithExtensions::MakeCurrent(surface_.get());
 
   TestHelper::SetupContextGroupInitExpectations(
       gl_.get(),
       DisallowedFeatures(),
       normalized_init.extensions.c_str(),
       normalized_init.gl_version.c_str(),
+      init.context_type,
       normalized_init.bind_generates_resource);
 
   // 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(
@@ skipping 1891 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