Remove some unused members from GLRenderer.

cc/output/gl_renderer.h

 // Copyright 2010 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.
 
 #ifndef CC_OUTPUT_GL_RENDERER_H_
 #define CC_OUTPUT_GL_RENDERER_H_
 
 #include <deque>
 #include <vector>
 
@@ skipping 503 matching lines @@
   ResourceFormat current_framebuffer_format_;
 
   class SyncQuery;
   std::deque<std::unique_ptr<SyncQuery>> pending_sync_queries_;
   std::deque<std::unique_ptr<SyncQuery>> available_sync_queries_;
   std::unique_ptr<SyncQuery> current_sync_query_;
   bool use_sync_query_;
   bool use_blend_equation_advanced_;
   bool use_blend_equation_advanced_coherent_;
 
-  SkBitmap on_demand_tile_raster_bitmap_;
-  ResourceId on_demand_tile_raster_resource_id_;
   BoundGeometry bound_geometry_;
   DISALLOW_COPY_AND_ASSIGN(GLRenderer);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_GL_RENDERER_H_