Refactor client visibility handling

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>
 
 #include "base/cancelable_callback.h"
 #include "base/macros.h"
 #include "cc/base/cc_export.h"
 #include "cc/output/color_lut_cache.h"
+#include "cc/output/context_cache_controller.h"
 #include "cc/output/direct_renderer.h"
 #include "cc/output/gl_renderer_draw_cache.h"
 #include "cc/output/program_binding.h"
 #include "cc/quads/debug_border_draw_quad.h"
 #include "cc/quads/render_pass_draw_quad.h"
 #include "cc/quads/solid_color_draw_quad.h"
 #include "cc/quads/tile_draw_quad.h"
 #include "cc/quads/yuv_video_draw_quad.h"
 #include "ui/gfx/geometry/quad_f.h"
 
@@ skipping 458 matching lines @@
                                     [LAST_SAMPLER_TYPE + 1][2][2][2];
   VideoStreamTextureProgram
       video_stream_texture_program_[LAST_TEX_COORD_PRECISION + 1];
 
   DebugBorderProgram debug_border_program_;
   SolidColorProgram solid_color_program_;
   SolidColorProgramAA solid_color_program_aa_;
 
   gpu::gles2::GLES2Interface* gl_;
   gpu::ContextSupport* context_support_;
+  std::unique_ptr<ContextCacheController::ScopedVisibility> context_visibility_;
 
   TextureMailboxDeleter* texture_mailbox_deleter_;
 
   gfx::Rect swap_buffer_rect_;
   gfx::Rect scissor_rect_;
   bool is_using_bind_uniform_;
   bool is_scissor_enabled_;
   bool scissor_rect_needs_reset_;
   bool stencil_shadow_;
   bool blend_shadow_;
@@ skipping 35 matching lines @@
   bool force_drawing_frame_framebuffer_unflipped_ = false;
 
   BoundGeometry bound_geometry_;
   ColorLUTCache color_lut_cache_;
   DISALLOW_COPY_AND_ASSIGN(GLRenderer);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_GL_RENDERER_H_