Remove unused fields from //content.

content/renderer/pepper/pepper_graphics_2d_host.h

 // 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.
 
 #ifndef CONTENT_RENDERER_PEPPER_PEPPER_GRAPHICS_2D_HOST_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_GRAPHICS_2D_HOST_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 184 matching lines @@
 
   // Set to the scale between what the plugin considers to be one pixel and one
   // DIP
   float scale_;
 
   ppapi::host::ReplyMessageContext flush_reply_context_;
 
   bool is_running_in_process_;
 
   bool texture_mailbox_modified_;
-  bool is_using_texture_layer_;
 
   // This is a bitmap that was recently released by the compositor and may be
   // used to transfer bytes to the compositor again.
   std::unique_ptr<cc::SharedBitmap> cached_bitmap_;
   gfx::Size cached_bitmap_size_;
 
   friend class PepperGraphics2DHostTest;
   DISALLOW_COPY_AND_ASSIGN(PepperGraphics2DHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_GRAPHICS_2D_HOST_H_