cc: Support anti-aliasing for solid color layers.

cc/io_surface_draw_quad.cc

 // Copyright 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.
 
 #include "cc/io_surface_draw_quad.h"
 
 #include "base/logging.h"
 
 namespace cc {
 
 IOSurfaceDrawQuad::IOSurfaceDrawQuad()
     : io_surface_texture_id(0),
       orientation(FLIPPED) {
 }
 
 scoped_ptr<IOSurfaceDrawQuad> IOSurfaceDrawQuad::Create() {
   return make_scoped_ptr(new IOSurfaceDrawQuad);
 }
 
 void IOSurfaceDrawQuad::SetNew(const SharedQuadState* shared_quad_state,
                                gfx::Rect rect,
                                gfx::Rect opaque_rect,
                                gfx::Size io_surface_size,
                                unsigned io_surface_texture_id,
                                Orientation orientation) {
   gfx::Rect visible_rect = rect;
   bool needs_blending = false;
   DrawQuad::SetAll(shared_quad_state, DrawQuad::IO_SURFACE_CONTENT, rect,
-                   opaque_rect, visible_rect, needs_blending); 
+                   opaque_rect, visible_rect, needs_blending, AntiAliasing());
   this->io_surface_size = io_surface_size;
   this->io_surface_texture_id = io_surface_texture_id;
   this->orientation = orientation;
 }
 
 void IOSurfaceDrawQuad::SetAll(const SharedQuadState* shared_quad_state,
                                gfx::Rect rect,
                                gfx::Rect opaque_rect,
                                gfx::Rect visible_rect,
                                bool needs_blending,
                                gfx::Size io_surface_size,
                                unsigned io_surface_texture_id,
                                Orientation orientation) {
   DrawQuad::SetAll(shared_quad_state, DrawQuad::IO_SURFACE_CONTENT, rect,
-                   opaque_rect, visible_rect, needs_blending);
+                   opaque_rect, visible_rect, needs_blending, AntiAliasing());
   this->io_surface_size = io_surface_size;
   this->io_surface_texture_id = io_surface_texture_id;
   this->orientation = orientation;
 }
 
 const IOSurfaceDrawQuad* IOSurfaceDrawQuad::MaterialCast(
     const DrawQuad* quad) {
   DCHECK(quad->material == DrawQuad::IO_SURFACE_CONTENT);
   return static_cast<const IOSurfaceDrawQuad*>(quad);
 }
 
 }  // namespace cc