Refactor context creation parameters into a struct.

gpu/command_buffer/service/gles2_cmd_decoder_passthrough.cc

 // Copyright (c) 2016 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_passthrough.h"
 
 #include "gpu/command_buffer/service/feature_info.h"
 #include "gpu/command_buffer/service/gl_utils.h"
 #include "ui/gl/gl_version_info.h"
 
@@ skipping 140 matching lines @@
   surface_ = surface;
 
   if (!group_->Initialize(this, attrib_helper.context_type,
                           disallowed_features)) {
     group_ = NULL;  // Must not destroy ContextGroup if it is not initialized.
     Destroy(true);
     return false;
   }
 
   // Check for required extensions
-  if (!feature_info_->feature_flags().angle_robust_client_memory) {
+  if (!feature_info_->feature_flags().angle_robust_client_memory ||
+      !feature_info_->feature_flags().chromium_bind_generates_resource ||
+      (feature_info_->IsWebGLContext() !=
+       feature_info_->feature_flags().angle_webgl_compatibility)) {
     Destroy(true);
     return false;
   }
 
   image_manager_.reset(new ImageManager());
 
   bind_generates_resource_ = group_->bind_generates_resource();
 
   resources_ = group_->passthrough_resources();
 
@@ skipping 94 matching lines @@
 const FeatureInfo* GLES2DecoderPassthroughImpl::GetFeatureInfo() const {
   return group_->feature_info();
 }
 
 gpu::Capabilities GLES2DecoderPassthroughImpl::GetCapabilities() {
   DCHECK(initialized());
   Capabilities caps;
 
   PopulateNumericCapabilities(&caps, feature_info_.get());
 
-  caps.bind_generates_resource_chromium = group_->bind_generates_resource();
+  glGetIntegerv(GL_BIND_GENERATES_RESOURCE_CHROMIUM,
+                &caps.bind_generates_resource_chromium);
+  DCHECK_EQ(caps.bind_generates_resource_chromium != GL_FALSE,
+            group_->bind_generates_resource());
+
   caps.egl_image_external =
       feature_info_->feature_flags().oes_egl_image_external;
   caps.texture_format_astc =
       feature_info_->feature_flags().ext_texture_format_astc;
   caps.texture_format_atc =
       feature_info_->feature_flags().ext_texture_format_atc;
   caps.texture_format_bgra8888 =
       feature_info_->feature_flags().ext_texture_format_bgra8888;
   caps.texture_format_dxt1 =
       feature_info_->feature_flags().ext_texture_format_dxt1;
@@ skipping 245 matching lines @@
   }, /* NOLINT */
 
 const GLES2DecoderPassthroughImpl::CommandInfo
     GLES2DecoderPassthroughImpl::command_info[] = {
         GLES2_COMMAND_LIST(GLES2_CMD_OP)};
 
 #undef GLES2_CMD_OP
 
 }  // namespace gles2
 }  // namespace gpu