Initialize remaining passthrough command decoder caps.

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 "base/strings/string_split.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 354 matching lines @@
   caps.image_ycbcr_422 =
       feature_info_->feature_flags().chromium_image_ycbcr_422;
   caps.image_ycbcr_420v =
       feature_info_->feature_flags().chromium_image_ycbcr_420v;
   caps.max_copy_texture_chromium_size =
       feature_info_->workarounds().max_copy_texture_chromium_size;
   caps.render_buffer_format_bgra8888 =
       feature_info_->feature_flags().ext_render_buffer_format_bgra8888;
   caps.occlusion_query_boolean =
       feature_info_->feature_flags().occlusion_query_boolean;
+  caps.timer_queries = feature_info_->feature_flags().ext_disjoint_timer_query;
+  caps.post_sub_buffer = surface_->SupportsPostSubBuffer();
+  caps.surfaceless = !offscreen_ && surface_->IsSurfaceless();
+  caps.flips_vertically = !offscreen_ && surface_->FlipsVertically();
 
   // TODO:
-  // caps.timer_queries
-  // caps.post_sub_buffer
   // caps.commit_overlay_planes
-  // caps.surfaceless
-  // caps.is_offscreen
-  // caps.flips_vertically
 
   return caps;
 }
 
 void GLES2DecoderPassthroughImpl::RestoreState(const ContextState* prev_state) {
 
 }
 
 void GLES2DecoderPassthroughImpl::RestoreActiveTexture() const {}
 
@@ skipping 515 matching lines @@
   }, /* NOLINT */
 
 const GLES2DecoderPassthroughImpl::CommandInfo
     GLES2DecoderPassthroughImpl::command_info[] = {
         GLES2_COMMAND_LIST(GLES2_CMD_OP)};
 
 #undef GLES2_CMD_OP
 
 }  // namespace gles2
 }  // namespace gpu